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

1. Astera Labs, Inc. (NASDAQ:ALAB) shares jumped 27.42% after introducing new fabric switches for AI infrastructure. The stock may also be getting a lift from positive analyst coverage.
2. Symbotic Inc. (NASDAQ:SYM) stock gained 25.55% last week after the company announced on Thursday that it entered into agreements with Walmart de México y Centroamérica to implement its warehouse automation systems in two of the retailer's locations.
3. MicroStrategy Inc (NASDAQ:MSTR) stock gained 20.44% amid a rise in Bitcoin (CRYPTO: BTC/USD) price.
4. Affirm Holdings Inc (NASDAQ:AFRM) shares gained 19.61% after Wells Fargo upgraded the stock from Equal-Weight to Overweight and raised its price target from $40 to $52.
5. Uber Technologies Inc (NYSE:UBER) shares gained 16.24% last week in reaction to Tesla (NASDAQ:TSLA) announcing that a rival offering, the Cybercab, will go into production in 2026.
6. Super Micro Computer, Inc.'s (NASDAQ:SMCI) stock gained 15.94% last week after the company announced it deployed 100,000+ GPUs with liquid cooling systems for AI factories.
7. Robinhood Markets Inc.'s (NASDAQ:HOOD) stock upped 14.77% after the company announced its investor day event on Dec. 4.
8. Norwegian Cruise Line Holdings Ltd. (NYSE:NCLH) stock rose 14.66% after Citigroup upgraded the stock from Neutral to Buy and raised its price target from $20 to $30.
9. Zscaler, Inc. (NASDAQ:ZS) shares surged 13.99%.
10. Carnival Plc (NYSE:CCL) shares increased 13.37%.
11. Cloudflare, Inc. (NYSE:NET) shares upped 12.03%. The company announced the appointment of a new president of product and engineering.

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