economy
February 4, 2026
Stocks making the biggest moves midday: MGM Resorts, Amgen, Advanced Micro Devices, Enphase & more
Check out some of the stocks making the biggest moves in midday trading.
TL;DR
- Bitcoin-related stocks dropped as bitcoin fell over 3%.
- MGM Resorts shares rose nearly 10% after its joint venture, BetMGM, achieved profitability and reported strong revenue growth.
- Palantir's stock fell 13% following a previous gain, with its price now significantly below its 52-week high.
- Several software stocks, including ServiceNow and Oracle, tumbled amid investor concerns about artificial intelligence.
- Amgen surged 8% to a 52-week high after reporting better-than-expected fourth-quarter financial results.
- Old Dominion Freight Line increased 8% following stronger-than-expected fourth-quarter earnings.
- Super Micro Computer jumped 10% after its fiscal second-quarter results surpassed expectations, driven by AI server demand, leading to an increased annual revenue forecast.
- Silicon Laboratories shares surged almost 50% on news of its acquisition by Texas Instruments for $7.5 billion.
- Eli Lilly's stock climbed almost 9% after reporting strong fourth-quarter results and issuing optimistic full-year guidance.
- Uber Technologies shed 3% despite beating revenue expectations, as leadership cautioned about the long-term prospects of autonomous vehicle efforts.
- Boston Scientific fell 15% after issuing lower-than-expected guidance for the full year.
- Advanced Micro Devices declined 16% after providing first-quarter revenue guidance that exceeded analyst expectations.
- Varonis Systems plunged 9% after issuing 2026 guidance that fell short of expectations.
- Match Group's shares rose 7% after reporting fourth-quarter earnings and revenue that surpassed estimates, along with strong cash flow projections.
- Chipotle Mexican Grill dipped 1% despite beating earnings and revenue expectations, as store traffic declined for the fourth consecutive quarter.
- Enphase Energy soared 36% on positive first-quarter revenue guidance and strong fourth-quarter results.
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