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

1. Super Micro Computer, Inc. SMCI shares dipped 26.06% on continued volatility following the company's quarterly report filing with the U.S. Securities and Exchange Commission.
2. AppLovin Corporation APP shares dropped 21.57% following multiple short reports on the stock.
3. Maplebear Inc.'s CART stock dipped 21.53% after it reported worse-than-expected fourth-quarter revenue and analysts revised the price forecast.
4. NetApp, Inc. NTAP stock plummeted 19.81%  after the company reported worse-than-expected third-quarter sales results and issued fourth-quarter and FY25 adjusted EPS guidance below estimates.
5. Pure Storage PSTG stock declined 19.36% after the company issued FY26 revenue guidance lagging estimates. Analysts revised the price forecast on the stock.
6. Duolingo DUOL stock fell 19.02% after it reported mixed fourth-quarter results, and analysts revised the price forecast.
7. Viatris Inc. VTRS shares decreased 17.96% after the company reported fourth-quarter EPS and sales below estimates and issued FY25 revenue and EPS guidance below estimates. B of A Securities analyst Jason Gerberry maintained an Underperform and lowered the price forecast from $11 to $10.
8. Sempra SRE stock fell 17.83% after the company reported fourth-quarter results and cut its outlook. Several analysts revised the stock's price forecast.
9. Palantir Technologies Inc. PLTR shares tumbled 16.21% amid possible continued weakness following last week's report suggesting the Trump administration ordered the Pentagon to plan for budget cuts.
10. Trip.com Group Limited TCOM shares declined 15.43% after it reported fourth-quarter financial results.
11. MicroStrategy Incorporated MSTR stock dipped 14.77% following a decline in Bitcoin's BTC/USD.
12. Tesla Inc TSLA stock lost 13.27% last week after the company saw a drop in new car registrations in January in the European Union. It was the only magnificent seven stock in freefall.

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