Sandisk (NASDAQ:SNDK) gave investors two pieces of news on Thursday, Oct. 29. The flash memory company's fiscal first-quarter revenue grew 23% over the previous quarter to $11. 0 billion. And the board approved an eight-for-one stock split, with split-adjusted trading expected to start Friday, Nov. 20. Does a split announcement tell investors anything about where a stock heads next? I checked what happened over the year after eight big-name split announcements, measured from every stock's close on announcement day. Five of the eight were up one year later, and the median stock rose around 26%. Five also beat the S&P 500 . But the results ran from a 43% drop to a 79% gain.
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