CoreWeave, Applied Materials And Hims & Hers Are Among Top 10 Large Cap Losers Last Week (August 11-August 15): Are The Others In Your Portfolio?

Nabaparna Bhattacharya

August 17, 2025

These ten large-cap stocks were the worst performers last week. Are they a part of your portfolio?

CoreWeave, Inc. (NASDAQ:CRWV) stock slumped 25.84% this week. The stock may be seeing weakness after the post-IPO lock-up period expired. Also, the company reported mixed second-quarter financial results.
Coherent Corp. (NYSE:COHR) stock decreased 18.92% this week after the company announced it will sell its Aerospace and Defense Business for $400 million. Also, Coherent posted quarterly earnings of $1 per share, beating estimates of 91 cents. Bank of America Securities analyst Vivek Arya downgraded the stock from Buy to Neutral.
Maplebear Inc. (NASDAQ:CART) shares fell 14.22% this week after Amazon.com, Inc. (NASDAQ:AMZN) announced a grocery expansion, including for its same-day delivery.
Ubiquiti Inc. (NYSE:UI) stock slumped 14.65% this week.
Applied Materials, Inc. (NASDAQ:AMAT) stock fell 13.44% this week after the company issued weak fourth-quarter guidance. Additionally, Bank Of America Securities downgraded the stock from Buy to Neutral, and several firms cut their respective price targets.
Duolingo, Inc. (NASDAQ:DUOL) stock fell 11.98% this week.
Hims & Hers Health, Inc. (NYSE:HIMS) shares decreased 10.60% this week amid reports that the FTC is probing complaints about the company’s ads and cancellation practices.
Axon Enterprise, Inc. (NASDAQ:AXON) stock fell 9.37% this week.
NuScale Power (NYSE:SMR) stock slumped 11.30% this week. The firm filed for the offering of $500 million of Class A common stock.
Amcor plc (NYSE:AMCR) stock fell 10.32% this week after the company reported a fourth-quarter adjusted EPS miss. Baird analyst Ghansham Panjabi maintains Amcor with a Neutral and lowers the price target from $11 to $10.

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