NEW YORK, December 30, 2025, 11:41 ET — Regular session
- Sandisk shares rose in late morning trading after slipping more than 3% earlier.
- Year-end positioning has kept a spotlight on the S&P 500’s top 2025 gainers.
- Traders are watching Fed minutes and jobless claims in a thin holiday-shortened week.
Sandisk Corp shares rose 0.8% to $246.30 in late morning trade on Tuesday after dropping as much as 3.1% earlier in the session. The stock ranged from $236.64 to $246.84.
The year-end tape has put Sandisk back on watchlists because it has been one of 2025’s biggest winners. Kiplinger recently ranked SanDisk as the S&P 500’s top gainer for the year, up about 594%, alongside storage and memory peers Western Digital, Micron Technology and Seagate Technology. 1
That kind of run can cut both ways in the final week of the year. With many managers closing books and rebalancing, small flows can amplify moves in momentum names.
The broader market backdrop has stayed choppy, with technology shares under renewed pressure in thin volumes ahead of the New Year’s Day holiday, when U.S. markets will be closed on Thursday. “I wouldn’t try to make too much out of anything that happens in a holiday-shortened week and very light trading volume,” said Art Hogan, chief market strategist at B Riley Wealth. Investors are also looking to minutes from the Federal Reserve’s December meeting and a weekly jobless claims reading for fresh rate clues. 2
For Sandisk, the mix of light liquidity and high expectations has made intraday reversals more common than in slower-moving large caps. Tuesday’s early slide and rebound fit that pattern.
Seasonal trading has added another layer. Investors have been watching for a “Santa Claus rally,” the market shorthand for gains that often show up in the last five trading days of the year and the first two in January. 3
Sandisk returned to public markets in 2025 after being separated from Western Digital’s flash business, with regular-way trading beginning on Nasdaq under the ticker “SNDK.” 4
The company makes flash storage products, including solid-state drives, and sells into consumer and enterprise markets tied to data growth and cloud spending. 5
The sharp swing left clear price markers for traders. The $236–$240 area is now in focus after the morning low, while the mid-$240s to just under $247 marks the near-term ceiling from Tuesday’s high.
Investors will likely keep an eye on whether the stock can hold recent gains into the close, when year-end “window dressing” — portfolio tweaks meant to show favored holdings — can distort flows. They will also watch if storage and memory names move in lockstep with broader tech sentiment as the week winds down.
For now, Sandisk’s modest gain masks a wide intraday range — a reminder that year-end sessions can punish both late buyers and quick sellers when liquidity is thin.
