Today's biggest winners and losers in the stock market
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On this episode of Stock Movers:
- Micron Technology (MU) was the S&P 500's best performer ahead of the opening bell, rising 4.7%. The memory-chip maker said it plans to build a second manufacturing facility at its site in Taiwan by the end of 2026. Peer stocks got a boost from the announcement: Flash-memory product supplier Sandisk added 3.3%, while disk-drive makers Seagate Technology and Western Digital were up 2.8% and 3.5%, respectively.

- Public Storage (PSA) agreed to acquire National Storage Affiliates Trust in an all-stock deal worth about $10.5 billion, including debt. The transaction will enable Public Storage to expand its platform with assets that are highly complementary to its portfolio, according to Tom Boyle, incoming chief executive officer of Public Storage. Stocks fell 1.50% today.

- Dollar Tree (DLTR) shares rise as much as 5.7%, the most intraday since Dec. 5, after the retailer’s conference call comments eased investors concerns about the traffic decline in in the fourth quarter, as transaction size drove comparable sales growth.

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