美股异动丨Strategy盘前跌3.6%，落选标普500指数

Group 1 - The core point of the news is that MSTR (MicroStrategy) shares fell by 3.6% to $172.48 in pre-market trading following the announcement that Sandisk Corp. will officially join the S&P 500 index on November 28, which is a competitive setback for MSTR that recently qualified for inclusion in the index [1] Group 2 - MSTR's closing price on November 24 was $179.04, reflecting an increase of 5.01% [2] - The pre-market price for MSTR on November 25 was $172.48, down by $6.56 or 3.66% [2] - MSTR's trading volume was 23.2826 million shares, with a total market capitalization of $51.448 billion [2] - The stock's 52-week high was $457.22, while the 52-week low was $166.01 [2]