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A market hypothesis stating that investors and traders react7 n9 Q' V2 C8 x
disproportionately to new information about a given security.; t; `4 ^3 P7 m7 T
This will cause the security's price to change dramatically,
6 L8 P- A5 p3 Z: S5 W6 O3 F$ }' Qso that the price will not fully reflect the security's true
1 G( ?1 e4 g7 o5 Z5 x6 kvalue immediately following the event. Typically, the price
+ i0 w# q- c( y. J, }3 u- e* Hswing from overreaction is not long lasting, as the stock S4 A5 q$ l8 J1 e8 c" A
price will tend to return back to its true value over time.8 _+ @0 U: R; S7 S, F! x
% {. Z7 u w, N" @The overreaction hypothesis is not consistent with the
2 z# L* }' f$ f; h% K" qefficient market hypothesis. |