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Market closed · Next open: Monday 9:30 AM ET
Last update: Jul 24, 2026, 6:18 PM ET
Market closed·109 changes confirmed today

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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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1,000 equities monitored14 signal typesCross-checked against SEC EDGARMedian detection lag ~41s

Investment research built around change detection.

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BestStocks identifies what changed across companies and sectors, explains why it matters, and helps investors spot opportunities worth investigating.

✓Jul 24 session - Last update: Jul 24, 2026, 4:40 PM ET
HIMS
Hims & Hers Health, Inc.
$28.09
▼ 16.01%
Prev close $33.45
Jul 24, 2026 ET
🛡Material / Earnings✓High confidence

What changed: HIMS moved -16.01% from its $33.45 open to a $28.09 close on 2026-07-24.

Source: daily_prices:fmp_change_percent

Changes History →
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✓Jul 24 session - Last update: Jul 24, 2026, 4:40 PM ET
KGS
Kodiak Gas Services, Inc.
$59.08
▼ 10.48%
Prev close $66.00
Jul 24, 2026 ET
🛡Material / Earnings✓High confidence

What changed: KGS moved -10.48% from its $66.00 open to a $59.08 close on 2026-07-24.

Source: daily_prices:fmp_change_percent

Changes History →
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✓Jul 24 session - Last update: Jul 24, 2026, 4:39 PM ET
AMKR
Amkor Technology, Inc.
$64.96
▼ 10.84%
Prev close $72.86
Jul 24, 2026 ET
🛡Material / Earnings✓High confidence

What changed: AMKR moved -10.84% from its $72.86 open to a $64.96 close on 2026-07-24.

Source: daily_prices:fmp_change_percent

Changes History →
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✓Jul 24 session - Last update: Jul 24, 2026, 4:36 PM ET
CHTR
Charter Communications, Inc.
$123.31
▲ 13.14%
Prev close $108.99
Jul 24, 2026 ET
⚡Material / Earnings✓High confidence

What changed: CHTR moved +13.14% from its $108.99 open to a $123.31 close on 2026-07-24.

Source: daily_prices:fmp_change_percent

Changes History →
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✓Jul 24 session - Last update: Jul 24, 2026, 10:09 AM ET
BAH
Booz Allen Hamilton Holding Corporation
$72.53
EPS surprise+21.48%
Jul 24, 2026 ET
🏆Material / Earnings?Low confidence

What changed: BAH reported EPS of $1.81 vs. estimate of $1.49 (+21.5% surprise) for Q1 FY2027, reported 2026-07-24.

Source: earnings_events

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✓Jul 24 session - Last update: Jul 24, 2026, 10:12 AM ET
THC
Tenet Healthcare Corporation
$233.20
EPS surprise+43.66%
Jul 24, 2026 ET
🏆Material / Earnings?Low confidence

What changed: THC reported EPS of $6.12 vs. estimate of $4.26 (+43.7% surprise), reported 2026-07-24.

Source: earnings_events

Changes History →
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✓Jul 24 session - Last update: Jul 24, 2026, 10:13 AM ET
FLG
Flagstar Financial, Inc.
$13.85
EPS surprise−21.58%
Jul 24, 2026 ET
⚠️Material / Earnings?Low confidence

What changed: FLG reported EPS of $0.05 vs. estimate of $0.06 (-21.6% surprise) for Q2 FY2026, reported 2026-07-24.

Source: earnings_events

Changes History →
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✓Jul 24 session - Last update: Jul 24, 2026, 4:41 PM ET
FRVO
Fervo Energy Co.
$24.00
▼ 10.08%
Prev close $26.69
Jul 24, 2026 ET
🛡Material / Earnings✓High confidence

What changed: FRVO moved -10.08% from its $26.69 open to a $24.00 close on 2026-07-24.

Source: daily_prices:fmp_change_percent

Changes History →
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✓Jul 24 session - Last update: Jul 24, 2026, 4:40 PM ET
AAOI
Applied Optoelectronics, Inc.
$100.15
▼ 10.85%
Prev close $112.34
Jul 24, 2026 ET
🛡Material / Earnings✓High confidence

What changed: AAOI moved -10.85% from its $112.34 open to a $100.15 close on 2026-07-24.

Source: daily_prices:fmp_change_percent

Changes History →
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✓Jul 24 session - Last update: Jul 24, 2026, 10:28 AM ET
LW
Lamb Weston Holdings, Inc.
$49.58
EPS surprise+39.20%
Jul 24, 2026 ET
🏆Material / Earnings?Low confidence

What changed: LW reported EPS of $0.87 vs. estimate of $0.63 (+39.2% surprise) for Q4 FY2026, reported 2026-07-24.

Source: earnings_events

Changes History →
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✓Jul 24 session - Last update: Jul 24, 2026, 4:39 PM ET
EW
Edwards Lifesciences Corporation
$82.63
▼ 6.10%
Prev close $88.00
Jul 24, 2026 ET
🛡Material / Earnings✓High confidence

What changed: EW moved -6.10% from its $88.00 open to a $82.63 close on 2026-07-24.

Source: daily_prices:fmp_change_percent

Changes History →
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✓Jul 24 session - Last update: Jul 24, 2026, 4:41 PM ET
UCTT
Ultra Clean Holdings, Inc.
$92.75
▼ 6.51%
Prev close $99.21
Jul 24, 2026 ET
🛡Material / Earnings✓High confidence

What changed: UCTT moved -6.51% from its $99.21 open to a $92.75 close on 2026-07-24.

Source: daily_prices:fmp_change_percent

Changes History →
What's next

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In-depth equity research from the BestStocks desk — earnings breakdowns, valuation deep dives, and sector analysis behind the changes we detect.

Bioprocessing single-use bioreactor equipment in a life-sciences manufacturing facility, illustrating Danaher's Q2 2026 core revenue guidance cut that drove the stock down about 13% on July 21, 2026
Stock AnalysisJuly 21, 2026 · 13 min read

Why did Danaher (DHR) stock fall ~13% on July 21, 2026 — a beat-and-raise undone by a core revenue guidance cut

Danaher fell nearly 13% on July 21, 2026 despite beating on adjusted EPS and raising its full-year earnings guidance. The company tied that raise partly to completing the Masimo acquisition early — while cutting full-year core revenue growth guidance to 3–4% from 3–6% and marking bioprocessing down to mid-single-digit growth. The market paid for the organic line, not the inorganic one. Bioprocessing peers Repligen and Sartorius fell in sympathy while instrument makers rose, on a day the broad market was up ~1%.

A large AI data center campus under construction on the Texas coastal plain at dusk, illustrating Hut 8's second $9.8 billion Beacon Point lease that drove the stock up about 11% on July 20, 2026
Stock AnalysisJuly 20, 2026 · 18 min read

Why did Hut 8 (HUT) stock jump ~11% on July 20, 2026 — a second $9.8 billion Beacon Point lease that fully commercializes a 1 GW campus

Hut 8 jumped about 11% on July 20, 2026 after a second 352 MW, 15-year, $9.8 billion lease fully commercialized its 1 GW Beacon Point campus in Texas — signed by the same unnamed tenant that took Phase 1 in May. The deeper significance is financing: Phase 1 was funded with $4.25 billion of non-recourse, Baa2-rated notes, and an anchor lease is the precondition for repeating that. But the move only round-trips a two-session drop, leaving the stock below where it closed on Wednesday.

Molten aluminum and an industrial smelter, illustrating Alcoa's Q2 2026 earnings miss and alumina guidance cut that drove the stock down about 6% on July 17, 2026
Stock AnalysisJuly 18, 2026 · 11 min read

Why did Alcoa (AA) stock fall ~6% on July 17, 2026 — a record Q2 that still missed, and an alumina guidance cut

Alcoa closed down 6.1% on July 17, 2026 — far more than its aluminum peers or the metal itself. Its Q2 set a revenue record and grew adjusted EPS more than fivefold, but it missed an elevated Street bar and cut full-year alumina guidance after cyclone-related outages at its Pinjarra refinery. The drop confirmed an aluminum-surplus bear case analysts had already been pricing in, and it layers dilution and integration questions from the pending South32 acquisition on top.

Abstract visualization of AI-driven semiconductor chip design, illustrating the open-source AI chip-design demonstration that hit Cadence and the EDA sector in July 2026
Stock AnalysisJuly 17, 2026 · 11 min read

Why did Cadence Design Systems (CDNS) stock fall ~10% on July 17, 2026 — Kimi K3 and the EDA selloff?

Cadence fell about 10% intraday on July 17, 2026 — far more than the broad chip group, which pared its morning losses. Market coverage tied the EDA pair's underperformance to Moonshot's Kimi K3, which the company says designed a 45nm chip in simulation using only open-source tools. It's an early, reported proof of concept, set against a broad semiconductor retreat — and it overwhelmed Cadence's own Rapidus AI partnership and Benchmark's $450 Buy call.

A robotic surgical system in a modern operating room, illustrating Intuitive Surgical's July 2026 selloff after weak da Vinci procedure-growth guidance
Stock AnalysisJuly 17, 2026 · 9 min read

Why did Intuitive Surgical (ISRG) stock plunge ~13% on July 17, 2026 — despite a Q2 earnings beat?

Intuitive Surgical dropped about 13% intraday to a fresh 52-week low the morning after beating Q2 estimates. The catalyst was the outlook, not the quarter: full-year da Vinci procedure-growth guidance of 13.5–15.5% implies a second-half deceleration, with moderating U.S. demand and an ACA coverage headwind. A ~40x multiple left no room for it, and six firms cut targets within hours — while the rest of medtech barely moved.

Industrial fuel-cell energy servers beside an AI data center at dusk, illustrating Bloom Energy's July 2026 selloff despite a $1.7 billion AI-power financing deal
Stock AnalysisJuly 16, 2026 · 10 min read

Why did Bloom Energy (BE) stock plunge ~14% on July 16, 2026 — despite a $1.7B AI-power deal?

Bloom Energy dropped about 14% intraday on the same day IDF and Oaktree announced a $1.7 billion project financing to power Nebius's AI build-out. The move reads as 'sell the news' — profit-taking on a stock priced north of 250x EV/EBITDA, a fuel-cell-complex derating (FCEL −16%), and a broad AI-capex risk-off — with a thinly-detailed deal and the prior week's short-seller overhang in the background.