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, Q; S1 [* @2 g1 {A market hypothesis stating that investors and traders react# B/ Y1 g6 L4 o0 R
disproportionately to new information about a given security.
3 _. z* |; ?5 I& CThis will cause the security's price to change dramatically,0 d, Q* |1 y# a
so that the price will not fully reflect the security's true
- W8 k# n: t0 |! \) M; R4 ~value immediately following the event. Typically, the price# B2 E$ v% n# I) P) F1 V# a
swing from overreaction is not long lasting, as the stock
' B3 s I( W# Z/ E7 z; u2 @+ dprice will tend to return back to its true value over time.
6 p! y" _( p# W2 D' r* R6 q6 W" \" @, d- }/ G
The overreaction hypothesis is not consistent with the4 I! ]4 a- b, C& }; b) k% V
efficient market hypothesis. |