John Duffy

"Stock splits and reverse splits often result in short-term abnormal returns even though such split events do not change any fundamental factors affecting the valuation of a firm's stock," says a 2023 paper co-authored by John Duffy, professor at University of California, Irvine.

For the full story, please visit https://www.investors.com/etfs-and-funds/sectors/sp500-big-stocks-cost-more-than-1000-a-share-where-are-splits/.

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