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

1. PDD Holdings Inc. PDD shares plummeted 13.16%. President Donald Trump closed the "de minimis" loophole, a trade exemption that allowed foreign e-commerce companies to ship low-cost packages (under $800) into the U.S. tariff-free.
2. Petroleo Brasileiro S.A. PBR stock sank 11.96% as stocks pulled back after surging earlier following President Trump's tariff pause announcement.
3. CarMax, Inc. KMX shares dived 9.72% after the company reported fourth-quarter results and missed its EPS estimate. Several analysts cut the price forecast on the stock.
4. Aptiv PLC APTV stock decreased 9.58%. UBS analyst Joseph Spak downgraded the rating from Buy to Neutral and lowered the price forecast from $91 to $58.
5. Stellantis N.V. STLA stock was down 8.74% after the company disclosed that shipments declined 9% year-over-year to around 1.2 million units in the first quarter.
6. CoreWeave, Inc. CRWV shares tumbled 8.51%.
7. Bristol-Myers Squibb Company BMY shares dipped 8.30%. U.S. President confirmed in a conversation with reporters at his Oval Office that pharmaceutical companies would face tariffs.
8. Zillow Group, Inc. Z stock fell 8.09% last week amid an overall market reversal on US-China trade tensions. Volatility in the 30-year mortgage rate could also affect housing demand.
9. Alibaba Group Holding Ltd. BABA shares declined 7.56% as escalating trade tensions between the U.S. and China threaten to derail the e-commerce giant's international business model.
10. Yum China Holdings, Inc. YUMC stock fell 7.37% last week amid U.S.-China trade announcements and overall market weakness.

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