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

1. Monolithic Power Systems, Inc. (NASDAQ:MPWR) lost 24.68% last week as it was hit by an Edgewater Research analyst report that stated Monolithic's allocation to Nvidia's (NASDAQ:NVDA) Blackwell GPUs is in jeopardy due to performance problems with its Power Management ICs.
2. Super Micro Computer, Inc. (NASDAQ:SMCI) stock tumbled 24.23% after the company recently announced it could not file its quarterly report for the period ending September 30, 2024, on time.
3. Moderna Inc (NASDAQ:MRNA) stock fell 21.31% last week amid pressure on vaccine stocks after President-elect Donald Trump nominated Robert F. Kennedy Jr. to lead the HHS.
4. Leidos Holdings, Inc. (NYSE:LDOS) shares dived 19.04%, probably because President-elect Trump made federal appointments during his transition period. Investors may evaluate the impact of possible cuts from the "Department of Government Efficiency."
5. Monday.Com Ltd (NASDAQ:MNDY) stock fell 18.94% last week despite the company reporting a Q3 beat and raising its annual outlook.
6. Vaxcyte, Inc. (NASDAQ:PCVX) stock fell 18.60% last week amid pressure on vaccine stocks after President-elect Donald Trump nominated Robert F. Kennedy Jr. to lead the HHS.
7. Booz Allen Hamilton Holding Corporation (NYSE:BAH) shares plummeted 18.59%.
8. AbbVie Inc (NYSE:ABBV) stock declined 17.30% last week after it announced that its Phase 2 EMPOWER trials did not meet their primary endpoints.
9. CACI International, Inc. (NYSE:CACI) shares decreased 17.16%.
10. XPeng Inc. (NYSE:XPEV) shares dipped 16.89%, reflecting a broader trend in U.S.-listed Chinese stocks. This market shift may be influenced by concerns surrounding President-elect Trump's administration picks, which could signal a tougher stance toward China.

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• Shopify, Disney And Coinbase Were Among Top 10 Large Cap Gainers Last Week (November 11-15): Are The Others In Your Portfolio?

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