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Published: Aug 16, 2023 3 min read

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Illustration of good weather vs bad stock market
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It’s hard to argue that sunny weather is a bad thing — except for maybe when it comes to the stock market.

Researchers behind a paper published this year in the Journal of Corporate Finance analyzed seasoned equity offerings (a process by which companies issue additional shares once they’ve already gone public) in the Chinese stock market. The authors found that investors made higher bids for those shares during longer periods of more intense sunlight.