Top Stock Movers – February 02, 2026
U.S. stocks kicked off February with a broad rally Monday, led by a sharp move higher in select chip and data-storage names, while several high-profile companies sank despite upbeat headlines.The Dow Jones Industrial Average jumped 515 points (+1.1%), while the S&P 500 gained 0.5%, finishing just shy of a fresh closing record. The Nasdaq added 0.6%.
Top Stock Winners
Sandisk (SNDK) stole the spotlight, soaring 15% to lead the S&P 500 as investors piled into memory-related plays.
Western Digital (WDC) followed closely, jumping 8%, extending momentum across the data-storage segment.
On the Dow, industrial and retail heavyweights delivered standout gains: Caterpillar (CAT) +5% and Walmart (WMT) +4%
Mega-cap tech also helped keep the market in the green :Apple (AAPL) +4%, the strongest performer among the “Magnificent Seven”
Top Stock Losers
The Walt Disney Co. (DIS) was one of the day’s biggest decliners, dropping nearly 7.4%, even after reporting better-than-expected quarterly profit and revenue. Traders instead focused on uncertainty around CEO succession.
IDEXX Laboratories (IDXX) fell 5.5% after the veterinary health company said clinical visits remain under pressure.
Nvidia (NVDA) slid nearly 3% after a report said its plan to invest up to $100 billion in OpenAI had stalled.
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