Does Mad Money make the market go mad

Abstract Empirical studies of numerous popular investment advisory services find statistically significant abnormal returns at the time of their broadcast or published investment recommendations. Our analysis of returns and trading volume around stock recommendations aired on charismatic host Jim Cramer's Mad Money program reveals statistical evidence of response to both his buy and sell opinions, with most of the full-day return following an on-air buy recommendation captured by that day's opening price. Trading strategy analysis suggests that individuals with limited funds should be wary of short-term trading to exploit the show's suggestions, while professional investors may be able to exploit buy picks with a contra strategy.

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