These eleven large-cap stocks were the worst performers in the last week. Are they in your portfolio?

1. Humana Inc. HUM stock tumbled 24.89% after the company updated investors on the decline in Stars’ performance for 2025 and how it will impact quality bonus payments in 2026. Several analysts lowered the stock’s price forecast.
2. Stellantis N.V. STLA stock fell 17.06% last week after Chrysler Parent’s U.S. sales nosedived 20% in the third quarter. Several analysts downgraded the stock.
3. Coinbase Global, Inc. COIN shares dipped 10.63%. The company announced it will restrict services tied to Stablecoins that do not meet MICA European regulations.
4. Mobileye Global Inc. MBLY shares were down 10.15%.
5. Rivian Automotive, Inc. RIVN shares fell 10% last week after the company lowered its annual production guidance due to a supply shortage of shared components on the R1 and RCV platforms.
6. First Solar, Inc. FLSR stock lost 9.63% last week.
7. ConAgra Brands, Inc. CAG stock declined 9.12% after the company reported worse-than-expected Q1 financial results.
8. Floor & Decor Holdings Inc FND stock declined 8.81% last week.
9. Summit Therapeutics Inc. SMMT shares plummeted 8.59%. The company announced the completion of enrollment in its Phase III HARMONi trial in 2L+ EGFRm NSCLC.
10. Moderna, Inc. MRNA stock fell 8.44%. The company reached a stipulation in its ongoing patent infringement litigation with Alnylam Pharmaceuticals, Inc. ALNY.
11. Nike, Inc. NKE stock fell 8.04% after multiple firms cut their respective price targets following a first-quarter revenue miss.

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