Halloween was last Monday, but it seems like the stock market has been playing tricks on investors all year. After the market’s meteoric rise last fall and early in 2011, it got tripped up in March. The market made an effort to get going again in the spring only to be dragged lower in the summer and pulled violently down in August. Since then, the market has chopped around wildly, creating whipsaws in market timing systems and leaving investors’ heads spinning. A chart of the Dow Jones Industrial Average below illustrates this roller coaster action. Just this week, the...