Top Stock Movers – May 7, 2025

Charles River Laboratories (CRL) led gains on the S&P 500 after the biomedical company announced a board shakeup and launched a strategic review of its operations. The move follows mounting pressure from activist investor Elliott Investment Management.
The Walt Disney Co. (DIS) shares climbed after the media giant reported stronger-than-expected earnings. The company posted revenue growth across all divisions and added new subscribers to its streaming platforms.
Electronic Arts (EA) also delivered earnings that beat estimates, driven by robust demand for its sports game franchises, pushing shares higher.
Super Micro Computer (SMCI), however, fell sharply after the server manufacturer warned that economic uncertainty and renewed tariffs under the Trump administration would negatively impact near-term performance.
Marvell Technology (MRVL) shares dropped after the chipmaker postponed its investor day and lowered its revenue forecast, citing macroeconomic headwinds.
Arista Networks (ANET) also saw its stock decline, holding its full-year guidance steady due to ongoing tariff risks.
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