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Sam collected stock price data to study stock movements around merger announcements. Some of the companies had significant abnormal stock returns in the days leading
Sam collected stock price data to study stock movements around merger announcements. Some of the companies had significant abnormal stock returns in the days leading up to the announcement. This is evidence of __________ .
default inversion
an increase in margin requirements
*insider trading*
big rigging
*why is the third option right?*
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