Source: daily_prices:fmp_change_percent
Changes History →Track the stock moves that actually matter.
BestStocks detects meaningful changes across price, volume, earnings, filings, valuation, analyst revisions, and risk signals — and shows you the evidence behind each one.
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BestStocks identifies what changed across companies and sectors, explains why it matters, and helps investors spot opportunities worth investigating.
What changed: Vicor Corporation (VICR) moved -6.49% from $330.00 to $308.59 on 2026-10-01, despite raising Q3 2026 revenue guidance to 30%+ sequential growth from 20%+ on September 30, driven by increased royalties from new VPD licensing agreements. Volume was 2.1x the 5-day average, indicating elevated selling pressure.
Source: daily_prices:fmp_change_percent
Changes History →Q3 2026 earnings report on 2026-10-20 and whether actual results and forward guidance support the 30%+ growth claim and royalty tailwind.
What changed: Alnylam Pharmaceuticals, Inc. (ALNY) moved -6.86% from $248.21 to $231.18 on October 1, 2026. JPMorgan trimmed its price target on the stock and warned that near-term results could face friction. The decline was also driven by pipeline scrutiny—recent updates on Huntington's disease programs highlighted ongoing hurdles in proving efficacy in smaller patient cohorts—and lingering commercial concerns about how quickly flagship drug Amvuttra can scale past initial pent-up demand.
Source: daily_prices:fmp_change_percent
Changes History →ALNY earnings are scheduled for October 29, 2026, with consensus EPS estimate of $1.77; also monitor for ALN-HTT02 Huntington's disease data updates.
What changed: McCormick & Company, Incorporated (MKC) reported EPS of $0.86 vs. consensus estimate of $0.76, beating expectations by 13.9%.
Source: earnings_events
Changes History →MKC earnings scheduled for 2026-10-06 (pending final confirmation), with consensus EPS estimate of $0.75.
What changed: Materion Corporation (MTRN) moved +7.49% from $265.27 to $285.14 on 2026-10-01. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. The move coincided with the stock reaching a new 30-day high on modestly elevated volume (1.5x the 5-day average).
Source: daily_prices:fmp_change_percent
Changes History →Materion's earnings report on 2026-11-04 will reveal whether the recent momentum reflects improving fundamentals or a technical reversion.
What changed: Ubiquiti Inc. (UI) moved +6.58% from $572.00 to $609.64 on 2026-10-01, reaching a new 30-day high. News cited expansion of the UniFi ecosystem with enterprise technology momentum and scalable operations.
Source: daily_prices:fmp_change_percent
Changes History →Ubiquiti's earnings announcement on 2026-11-06 will test whether enterprise momentum translates to results that meet or exceed the $4.25 consensus estimate.
What changed: MACOM Technology Solutions Holdings, Inc. (MTSI) moved +5.10% from $287.00 to $301.63 on 2026-10-01, reaching a new 30-day high. The move followed a broader semiconductor sector rally triggered by Barclays upgrading KLA Corporation (KLAC) to overweight with a raised price target, which boosted investor confidence across chip and equipment suppliers.
Source: daily_prices:fmp_change_percent
Changes History →MTSI's participation in European Microwave Week (October 6–8 in London) and Q3 earnings results on 2026-11-05 will test whether the sector rally translates into improved demand or guidance for MACOM.
What changed: Pilgrim's Pride fell 6.03% to $25.38, hitting a new 52-week low, as rising commodity and feed costs combined with increased U.S. chicken supply and falling wholesale breast meat prices squeeze margins (web_catalyst). Volume at 1.18x normal for this stage of the session. UBS and Bank of America recently flagged challenging fundamentals and limited pricing power across the poultry sector.
Detected Oct 1, 3:50 PM ET
Changes History →PPC earnings on 2026-10-28 (consensus EPS $0.69); watch for guidance on feed cost trends and pricing dynamics in the next earnings call.
What changed: Legence Corp. (LGN) declined 4.69% to $51.16, reflecting a continuation of macro and technical selling pressure rather than a new company-specific catalyst, per web sources cited by MarketWatch and Yahoo Finance. The decline follows the stock's 75% gain over the past year, with elevated valuation sensitivity amplified by persistent net losses including a $41.08 million asset impairment charge reported in Q2 2026. Volume is tracking at 0.91x expected for this time of day—normal distribution.
Detected Oct 1, 3:30 PM ET
Changes History →LGN earnings scheduled for November 13, 2026 (consensus EPS estimate $0.57); watch for updated guidance on AI data center pipeline execution and net loss trajectory.
What changed: Viavi Solutions jumped 6.75% to $44.75, extending an 11-day winning streak fueled by enthusiasm around the company's AI infrastructure pivot and recent cybersecurity achievements. According to the web catalyst, Wall Street is increasingly viewing VIAV as a key enabler for AI and LLM network demands, while the company's CMMC Level 2 certification and CyberFlood CF50 launch (a compact 100G platform for AI inference and security testing) are driving product momentum. Volume of 4.6M shares is 1.10x the historical average, indicating normal trading intensity for this time of day.
Detected Oct 1, 3:50 PM ET
Changes History →Earnings release on 2026-10-28 (consensus EPS estimate $0.41); watch for management commentary on AI infrastructure demand sustainability and CMMC-certified defense contract wins.
What changed: Semtech announced the sale of its cellular module business to Compal Electronics for $62 million in cash, a strategic divestiture allowing the company to focus on higher-growth segments including AI data-center networking and LoRa connectivity. The stock rallied 3.81% to $185.14, supported by analyst endorsements: Stifel reiterated its Buy rating and $188 price target citing strong 800G and 1.6T AI infrastructure shipment potential, while Oppenheimer also raised its price target (Yahoo Finance). Volume at 0.88x normal reflects steady intraday activity.
Detected Oct 1, 3:50 PM ET
Changes History →Semtech earnings scheduled for 2026-11-23 (consensus EPS estimate $1.06); monitor for updates on AI data-center revenue contribution and detailed guidance on the post-divestiture business mix.
Cadence Design Systems shares rose 6.49% to $351.62, driven by momentum around the company's newly announced ChipStack AI Super Agent RTL Generation tool, which demonstrated a 24% reduction in chip design area and 18% power reduction in early trials validated by Honda, according to web sources. The rally also benefited from Mizuho Securities' Buy rating and broader semiconductor sector strength.
Cadence Design Systems climbed 2.78% to $339.36, driven by momentum from its recent AI RTL Generation Agent rollout and a deepened partnership with TSMC for advanced custom AI silicon, according to web sources. The stock had already jumped 1.8% on Jul 28 following stronger-than-expected second-quarter results (finance.yahoo.com).
Q3 2026 earnings report on October 26 and any subsequent customer adoption announcements for the ChipStack AI tool; also monitor whether semiconductor sector momentum sustains.
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View all research →In-depth equity research from the BestStocks desk — earnings breakdowns, valuation deep dives, and sector analysis behind the changes we detect.

Fair Isaac (FICO) Crashes ~26% as FHFA Moves to Equalize VantageScore Mortgage Pricing
Fair Isaac fell about 26.5% to $617.87 on September 29 — its steepest single-day decline in decades — after FHFA Director Bill Pulte said, in a post late the prior evening, that Fannie Mae and Freddie Mac will move to a single mortgage pricing grid that treats loans scored with Classic FICO and rival VantageScore 4.0 equally, removing the 20-point adjustment that had kept FICO the default. The move strikes FICO's most profitable franchise: its Scores segment runs ~90% operating margins, and the company had just doubled its wholesale mortgage royalty to about $10.00 per score for 2026, while VantageScore 4.0's mortgage score is $0.99 (TransUnion committed through 2028) — so lenders now face a rival score that is roughly ten times cheaper and, once the change takes effect, priced identically by the GSEs. The repricing landed predominantly on FICO: the two publicly traded bureaus that jointly own VantageScore, Equifax and TransUnion, fell materially less — about 3% — and the S&P 500 was flat. Volume ran about seven times normal, and the stock is now down roughly 69% from its 52-week high. Analyst targets are splitting between a stale ~$1,435 consensus and fresh, event-aware resets — Huber Research downgraded to Underweight at $710, while Goldman cut to $1,322 but kept a Buy — capturing how uncertain the migration path is. After the drop FICO trades near 12 times forward earnings, but the multiple now hinges on how fast lenders actually switch.

Nucor (NUE) Drops ~6% as Q3 Guidance of $5.55–$5.65 Lands Below Street Estimates
Nucor fell about 6% to roughly $249 on September 18 after guiding, on Thursday evening, to third-quarter earnings of $5.55–$5.65 a share — a strong number that nonetheless landed about 9% below the roughly $6.17 consensus. The miss is one of degree, not direction: the guide would still be a sequential increase from Q2's ~$5.04 and a huge jump from the $2.63 Nucor earned a year ago, with the core steel mills and steel products segments guided up, but a weaker raw-materials segment and the absence of two second-quarter tailwinds — a ~$130 million cash refund and a ~$61 million Helion valuation gain — drove the shortfall. On a cyclical up about 74% over the past year to near record highs, a guide below expectations was enough to trigger a pullback — and it was a sector signal, not just a Nucor one: Steel Dynamics guided its own Q3 below consensus the same evening, so the whole steel group sold off together, with Steel Dynamics off about 4.5% and the steel ETF lower while the S&P 500 barely moved. Analysts mostly trimmed targets but kept their Buys, leaving a consensus near $285, and the stock now trades near 13 times the 2026 earnings estimate. The real question the soft guide raises is whether the steel cycle is pausing or peaking, with 2027 earnings growth already seen slowing to low single digits.

Netflix (NFLX) Drops as Wells Fargo Turns Bear With a Street-Low $57 Target on Engagement Worries
Netflix fell about 4% to roughly $72 on September 18 after Wells Fargo's Steven Cahall downgraded the stock to Underweight from Equal Weight and cut his price target to a Street-low $57 from $80. (Prices are split-adjusted after Netflix's 10-for-1 split in November 2025.) The call is about engagement, not profitability: after reviewing more than 150 titles, Cahall estimates second-half engagement (hours viewed per subscriber per day) falls about 4% year-over-year — with Top-100 Originals viewing down about 21% — raising churn risk into 2027, and his $57 rests on a lower multiple (15 times 2027 earnings, down from 21). It is a rare bear — the lone Sell in the tracked coverage — against a bullish Street, whose average target near $95 sits about 30% above the price, and it landed on a stock already down about 40% over the year. The move was Netflix-specific — Disney and other media names fell far less — and the underlying business remains highly profitable, growing revenue ~16% at a ~30% operating margin with ~$11 billion of free cash flow. The debate is about how fast Netflix can still grow, and the annual viewership report Netflix will publish in early 2027 is the catalyst both sides are waiting on.

Intel (INTC) Jumps on a Report SK Hynix May Make Memory at Its Delayed Ohio Fab
Intel rose about 4% to roughly $101 on September 16 after Reuters reported, citing sources, that SK Hynix is in early talks to manufacture memory chips in the United States for the first time — possibly by leasing part of Intel's long-delayed Ohio megafab, or through a joint venture with Intel and cloud hyperscalers. Crucially, no deal is confirmed: the shares spiked toward +6% then pared to +4% as SK Hynix said nothing had been decided and Intel declined to comment, so the honest read is a market pricing a possibility. It matters because Intel's Ohio project — announced in 2022 and delayed roughly five to six years (construction now finishing around 2030–2031) — could turn from a symbol of the company's troubles into a proof point if a marquee partner pays to use it. The move landed on a stock already up roughly 300% over the past year, still unprofitable on a trailing GAAP basis and trading near 66 times its fiscal-2026 adjusted (non-GAAP) earnings estimate, so it trades on narrative — and chips were broadly higher on the day, meaning only part of the pop was Intel-specific.

Sysco (SYY) Falls ~4% as It Prices a $1 Billion Stock Sale to Help Fund Its $29 Billion Jetro Deal
Sysco fell about 4.4% to roughly $80 on September 15 after pricing a $1.0 billion common-stock offering at $81.00 a share — below the prior close — to help fund the cash portion of its pending, roughly $29 billion acquisition of Jetro Restaurant Depot. The stock did what freshly issued equity often does, drifting toward and then below the offer price. One honest caveat: this was not a Sysco-only move — direct peers US Foods (−4.4%) and Performance Food Group (−3.8%) fell just as hard, while consumer staples barely budged, so the raise is best read as the trigger inside a wider foodservice-distribution derating. The $1 billion is the equity slice of a mostly debt-funded deal (~$21 billion of new borrowings), issued to limit the added leverage and defend an already-levered balance sheet; the larger dilution is the 91.5 million new shares (about 19% as the March terms estimated) still to go to Jetro's owners. Sysco is a defensive Dividend King trading near 16 times forward earnings, and the Street's targets still sit above the price — but the market wants the transformational deal financed and integrated before it re-rates.

Axon (AXON) Drops ~9% on a $1 Billion 0% Convertible Notes Offering
Axon Enterprise fell about 9% to roughly $447 on September 15 after announcing a $1.0 billion offering of 0% convertible senior notes due 2031 — a financing event, not a business stumble. The counterintuitive drop on interest-free borrowing is a lesson in how markets price equity-linked debt: convertible notes can turn into shares, so the market immediately prices the potential dilution overhang, and the hedge funds that buy converts typically short the stock to hedge, which tends to add mechanical selling pressure around a deal. Axon is buying capped calls to blunt the dilution and earmarking the rest for acquisitions. The drop landed on a stock already down about 41% from its 2025 high and trading near 50 times forward earnings despite ~35% revenue growth — a de-rated compounder now using its shares as funding currency. The move was starkly company-specific: closest peer Motorola Solutions fell under 1%, Palantir rose, and the S&P 500 barely moved, while the Street's price targets still cluster far above the price.











