Stocks making the biggest moves after hours: Super Micro Computer, Intuitive Surgical, Netflix, SpaceX & more
Intuitive Surgical (ISRG) fell 10% after Q3 results missed expectations, while SpaceX shares rose 2% on a 161% revenue jump. Netflix (NFLX) dropped 5% despite in-line sales. Capital One (COF) gained 5% on higher net income. United Airlines (UAL) declined 2% after earnings trailed estimates. Super Micro Computer (SMCI) surged 12% on an upgraded revenue outlook.
How this was made

The 30-second read
Why it matters
The mix of earnings beats, misses, and guidance upgrades creates divergent short‑term price action across sectors.
Market read
The article highlights immediate after‑hours price reactions to Q3 results and guidance, offering actionable signals for traders ahead of the regular session.
What to watch
Potential supply‑chain constraints for Intuitive Surgical and United Airlines could exacerbate weakness.
Background
After‑hours market moves often reflect fresh earnings or guidance releases that can set the tone for the next trading session.
Ticker impact
Intuitive Surgical shares plunged 10% after Q3 results missed expectations.
downward pressure as investors reassess growth outlook
Earnings miss and 10% after‑hours drop indicate immediate sell pressure.
Netflix fell nearly 5% after Q3 revenue met expectations but growth slowed.
potential further decline if guidance remains flat
Revenue in line with forecasts and modest price drop suggest limited upside.
Capital One Financial jumped 5% after reporting Q3 net income of $3.5 bn.
upward bias as investors reward earnings beat
Higher earnings per share and after‑hours rally indicate buying interest.
United Airlines fell 2% after Q3 adjusted EPS missed consensus.
slight downside as miss may prompt caution
EPS miss and after‑hours decline suggest short‑term weakness.
Super Micro Computer rallied 12% after raising its fiscal Q1 revenue outlook to $18.5‑$19.5 bn.
upward pressure as investors price in higher revenue expectations
Guidance lift and large after‑hours gain indicate bullish sentiment.
Market effects
Tech hardware and cloud services may benefit from Super Micro's outlook; healthcare robotics faces headwinds.
U.S. equities likely to open lower for the down‑tickers and higher for SMCI.
Limited to U.S. listed companies; no broader macro impact.
Counterpoint
The down‑tickers could rebound if broader market sentiment improves later in the day.
Key entities
- companyIntuitive Surgical
Medical robotics manufacturer
- companyNetflix
Streaming media provider
- companyCapital One Financial
Banking and credit card issuer
- companyUnited Airlines
Major U.S. airline
- companySuper Micro Computer
Data‑center server manufacturer


