Market open - Last update: Jul 17, 2026, 11:06 AM ET
🏆Material / Earnings✓High confidence
Source: earnings_events
Changes History →Market open · Delayed intraday data · 3:48 PM ET
Last update: Jul 17, 2026, 1:32 PM ETMarket open·17 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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BestStocks identifies what changed across companies and sectors, explains why it matters, and helps investors spot opportunities worth investigating.
Market open - Last update: Jul 17, 2026, 3:30 PM ET
📊Valuation
What changed: Synopsys fell 9.05% to $379.27 amid a sector-wide semiconductor selloff driven by renewed concerns over the scale of AI spending, according to multiple sources tracking the Philadelphia Semiconductor Index's worst week since March 2025. The decline occurred despite no company-specific negative catalyst; SNPS had issued EPS and revenue guidance above consensus earlier in the period, and Benchmark initiated Buy coverage citing AI-driven outlooks.
Detected Jul 17, 3:30 PM ET
Changes History →What's next
What to watch
Monitor the Philadelphia Semiconductor Index and broader market stabilization; watch for any earnings or guidance updates from Synopsys that might differentiate it from sector weakness, and track whether the semiconductor sector's worst-week-since-March-2025 pattern reverses in coming sessions.
Market open - Last update: Jul 17, 2026, 3:30 PM ET
📊Valuation▤ Research available →
What changed: Cadence Design Systems fell 8.25% to $334.56 intraday despite announcing a partnership with Rapidus Corporation on agentic AI for advanced-node SoC design (Business Wire, July 16). The positive news failed to support the stock, suggesting investors are weighing broader market or sector headwinds against the collaboration announcement.
Detected Jul 17, 3:30 PM ET
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Changes History →Related research: Why did Cadence Design Systems (CDNS) stock drop ~10% on July 17, 2026? →
What's next
What to watch
Cadence's next earnings call and guidance, plus any updates on customer adoption of agentic AI tools and their contribution to forward revenues.
Market open - Last update: Jul 17, 2026, 3:30 PM ET
📊Valuation
What changed: No specific intraday catalyst identified. AXON declined 6.03% to $509.07 from $541.75; volume of 281,762 shares ran at 0.80x expected for this point in the session. Available evidence includes a July 2026 analyst overview noting Wall Street optimism on the name, but no dated event (earnings, guidance, rating change, product news, or regulatory action) tied to today's move.
Detected Jul 17, 3:30 PM ET
Changes History →What's next
What to watch
Monitor for after-hours news or official company announcements; check if broader security software or law-enforcement tech peers moved similarly today.
Market open - Last update: Jul 17, 2026, 3:30 PM ET
Intraday updates2 updates
3:30 PM ETLATESTRisk✓ High confidence
Intuitive Surgical shares fell 12.60% to $351.62 after the company warned that potential insurance plan changes and ACA subsidy expirations could dampen demand for da Vinci surgical procedures, according to today's earnings report and 8-K filing. Despite beating Q2 revenue and earnings estimates, management guided to weaker second-half procedure growth, and a recent Class II recall of certain da Vinci components added pressure. Volume surged to 5.5M shares, 6.2x the 120-minute average.
11:00 AM ETValuation✓ High confidence
Intuitive Surgical fell 9.27% to $365.02 following a sell-the-news earnings reaction despite beating Q2 estimates, per web sources. The decline reflects investor concern over a Class II worldwide recall of da Vinci system components initiated in April 2026 affecting 454 units and reports of declining surgery volumes from major healthcare providers, which appear to have shifted sentiment bearish ahead of the release.
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Changes History →Related research: Why did Intuitive Surgical (ISRG) stock plunge ~13% on July 17, 2026 — despite a Q2 earnings beat? →
What's next
What to watch
Second-half 2026 procedure volume trends and any updates on the da Vinci component recall resolution; management commentary on ACA subsidy impact during post-earnings investor calls.
Market open - Last update: Jul 17, 2026, 3:30 PM ET
🛡Risk ×2
Intraday updates2 updates
3:30 PM ETLATESTRisk✓ High confidence
Netflix reported Q3 revenue and EPS guidance below Wall Street forecasts, signaling the slowest revenue growth since Q3 2023, per CNBC and Reuters. The miss triggered analyst price-target cuts and a broad reassessment of the company's growth trajectory. The stock fell 8.68% to $67.89 on elevated volume (7.00x expected at this time of day), compounded by a sector-wide technology selloff as chip stocks tumbled amid renewed doubts over AI spending.
10:00 AM ETRisk✓ High confidence
Netflix issued Q3 revenue and EPS guidance that fell below Wall Street forecasts, signaling its slowest revenue growth since Q3 2023, according to Reuters. The stock dropped 11.89% intraday to $65.51 from $74.35. While Q2 EPS narrowly beat expectations, the soft third-quarter outlook and renewed concerns about viewing engagement durability and regional growth deceleration triggered the sell-off.
What's next
What to watch
Watch for any analyst note revisions over the next 24–48 hours and whether Netflix holds above $67.89 support; also monitor whether the broader chip/tech selloff stabilizes, which could influence sentiment toward NFLX alongside any management commentary on Q3 subscriber trends.
Market open - Last update: Jul 17, 2026, 3:30 PM ET
🛡Risk
What changed: SPCX fell 4.05% to $125.80 as a Starship Flight 13 launch abort on July 16—caused by Raptor engine ignition failures—compounded a broader market sell-off in AI and tech stocks, per Investors.com. The launch scrub erased an estimated $53 billion in implied equity value while Nasdaq futures declined amid the ongoing AI sector retreat.
Detected Jul 17, 3:30 PM ET
Changes History →What's next
What to watch
Status of Raptor engine repairs and next Starship Flight 13 launch attempt date; broader market stabilization in AI/tech stocks and Nasdaq futures.
Market open - Last update: Jul 17, 2026, 3:30 PM ET
🛡Risk
What changed: Applied Materials fell 5.09% intraday to $532.40, extending a decline that saw the stock drop 4.5% the prior day (Zacks, 2026-07-16). The two-day selloff suggests sustained pressure, though no single catalyst event has been confirmed in available reporting.
Detected Jul 17, 3:30 PM ET
Changes History →What's next
What to watch
Confirmation of the close and any after-hours commentary; monitor whether the decline broadens across semiconductor equipment peers (LRCX, KLAC) to assess if this is sector-wide or AMAT-specific.
Market open - Last update: Jul 17, 2026, 3:30 PM ET
⚡Activity ×2▤ Research available →
Intraday updates2 updates
3:30 PM ETLATESTActivity✓ High confidence
AST SpaceMobile rose 6.09% to $58.36 following renewed attention to its satellite-to-phone validation partnerships. The Motley Fool highlighted on July 16 that ASTS has secured carrier validation from AT&T, Verizon, and dozens of global partners, reinforcing the commercial viability of its satellite connectivity thesis. Volume of 26.5M shares ran 1.39x the time-adjusted expected level, indicating above-normal intraday interest.
3:00 PM ETActivity✓ High confidence
AST SpaceMobile rose 6.15% to $58.40 intraday on elevated volume of 13.1M shares (2.06x the typical 120-minute average), though no specific catalyst event was identified in available sources. The move occurs within a broader 77% uptrend over the past year, during which the stock carries a Zacks Rank #4 (Sell) rating.
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Changes History →Related research: Why did AST SpaceMobile (ASTS) stock drop ~15% on July 16, 2026? The $1B convertible, and the capped call behind it →
What's next
What to watch
Watch for launch or in-service date announcements from ASTS, and any earnings or investor updates that quantify timeline or revenue projections from the validated carrier partnerships.
Market open - Last update: Jul 17, 2026, 11:26 AM ET
📄Filings✓High confidence
What changed: F.N.B. Corporation (FNB) filed a new 8-K on July 17, 2026.
Source: filing_snapshots
Changes History →What's next
What to watch
Review the full 8-K filing to identify the material event disclosed.
Market open - Last update: Jul 17, 2026, 11:21 AM ET
📄Filings✓High confidence
What changed: Regions Financial Corporation (RF) filed an 8-K on July 17, 2026. The audit confirmed the filing date but did not retrieve the specific disclosure contents.
Source: filing_snapshots
Changes History →What's next
What to watch
Review the full 8-K filing on the SEC's EDGAR database to identify what material event RF disclosed.
Market open - Last update: Jul 17, 2026, 11:17 AM ET
📄Filings✓High confidence
What changed: Fifth Third Bancorp (FITB) filed an 8-K on July 17, 2026. The audit retrieved only the filing date and type; the specific content and reason for the filing were not disclosed in the evidence.
Source: filing_snapshots
Changes History →What's next
What to watch
Review the full 8-K filing on the SEC's EDGAR database to identify what material event Fifth Third disclosed.
Latest research
View all research →In-depth equity research from the BestStocks desk — earnings breakdowns, valuation deep dives, and sector analysis behind the changes we detect.
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.
CDNSRead →
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.
ISRGRead →
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.
BERead →
Stock AnalysisJuly 16, 2026 · 9 min read
Why did AST SpaceMobile (ASTS) stock drop ~15% on July 16, 2026? The $1B convertible, and the capped call behind it
AST SpaceMobile dropped about 14.7% intraday after pricing a $1.0 billion convertible notes offering. The 'dilution' headline skips the capped call that offsets conversion dilution up to a $149.20 cap. The more likely drivers were convertible-arb hedging, the signal of another raise, and a space-sector sell-off.
ASTSRead →
Stock AnalysisJuly 15, 2026 · 7 min read
Why did Dell stock drop 9.8% on July 15, 2026? An IBM-driven rally reversed
Dell closed down 9.80% at $412.68 on Wednesday with no confirmed fresh Dell-specific catalyst. Most of the move reversed Tuesday's 7% rally — which itself rested on a rival's warning, not Dell's news. Here is what the tape and the Form 4s actually show.
DELLRead →
Stock AnalysisJuly 15, 2026 · 18 min read
Why Did PayPal (PYPL) Stock Jump ~17% on July 15, 2026?
PayPal rose about 17% to roughly $55.53 on July 15 after Reuters reported that Stripe and Advent International had jointly offered $60.50 a share — more than $53 billion — to take it private. Nothing is confirmed: all three parties declined to comment and the board has not responded. The stock still traded 8.95% below the reported bid, worth only about 5.9% annualised over an 18-month close — and every consensus target average sits below the offer.
PYPLRead →