Cloudy days, cold days, DST transition and coming back to dark house all give negative results
Weekend effect (markets down Monday; people upset coming in to work after weekend)
People behave weird around full moon days (lunatic): negative effect across all international exchanges
Reversal of large stock price decreases over next 3-4 days
Sell in may and go away; Halloween indicator; November to May has stronger growth; huge discrepancy between winter and summer months returns; upward momentum starts in October (Winter bonuses; gone fishing/summer vacation/kids distracting)
If a nation loses World Cup game, the day after the stock market goes down.
Content analysis for investor mood; investor overreaction and rebound
Zero predictive content in Cramer's recommendations; his role in society: validates people's opinions; people like to think their environment is predictable.
Bad ticker symbol or name (.com in name increased market cap when was in fashion; if take out of name when out of fashion, market cap goes up); names matter (in efficient market, shouldn't matter).
Wrong/right MCI/MCIC; wrong MCI moving with right MCI
Socionomics: social mood determines social events (not other way around)
Correlation between stock market and fashion (hemline indicator, music genres moving stock market up)