Today's biggest winners and losers in the stock market.
On this episode of Stock Movers:
Listen for comprehensive cross-platform coverage of the US market close as heard on Bloomberg Television, Bloomberg Radio, and YouTube with Katie Greifeld, Scarlet Fu, Carol Massar and Tim Stenovec.
- McDonald's (MCD) US sales grew at the fastest pace in more than two years in the fourth quarter as value meals continued to resonate with cost-conscious diners. Sales from established US restaurants jumped 6.8% in the period from a year ago when foot traffic was dented by an E. coli outbreak, ahead of expectations and the highest since 2023. Earnings, excluding one-time items, also outpaced the average of estimates compiled by Bloomberg, as did comparable sales at the company’s two international divisions. Shares of the fast food restaurant rose in afterhours trading.
- Micron (MU) shares rose as much as 9.9% after Chief Financial Officer Mark Murphy assured investors that the company is producing its new much-prized HBM4 memory chips in high volumes. The product line — the latest generation of Micron’s high-bandwidth memory — is now being delivered to customers, Murphy said during a Wolfe Research event. The chips are designed to help artificial intelligence computing systems handle the flood of data needed to develop and run AI models.
- Lyft (LYFT) shares fell by the most in a year after the rideshare firm issued a disappointing forecast that missed Wall Street expectations, a sign that its global expansion and new product offerings are not performing as quickly and as well as anticipated. Shares of Lyft fell as much as 16% after markets opened on Wednesday, their worst intraday decline since February 2025. The stock was already down 13% so far this year through Tuesday’s close.

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