Analysis, Forecast and What to Know Before the December 12 Open
SanDisk Corporation (NASDAQ: SNDK) just wrapped another wild session, closing sharply higher on Thursday before giving back a slice of those gains in after‑hours trading. After a year in which the stock has rocketed hundreds of percent and joined the S&P 500, every tick in SNDK is under the microscope – especially heading into Friday’s (December 12, 2025) session. [1]
Below is a news‑style rundown of what happened after the bell on December 11 and what traders should know before tomorrow’s open.
Key takeaways on SanDisk stock
- Strong close, softer after hours: SNDK finished Thursday at $241.61, up about 3.8% on the day, after trading between roughly $218 and $244 on heavy volume. [2]
- After‑hours pullback: By around 7:00 p.m. ET,…




