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We evaluate the impact of complexity and content of new information on stock return volatility dynamics around 10-K … fillings. On average, return volatility increases by 0.4% in the first four weeks after the release of the report, followed by … reports. The effects are economically significant: an options-based investment strategy exploring the volatility dynamics …
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There has been a long debate on the interpretation of idiosyncratic return variation. We inform this debate by examining the extent to which stock return synchronicity is associated with the post-earnings announcement drift (PEAD) in China. We find that firms with higher synchronicity exhibit...
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