From The Reformed Broker:

Every profession has its own idiosyncratic superstitions. In honor of tomorrow being Friday the 13th, I thought this would be a good time to discuss this topic.

Actors performing MacBeth will refer to it only as "The Scottish Play" for fear of being crushed by a stagelight. Sailors never set foot on a boat with their left foot first. The baseball player is perhaps the most tormented by ritual, from tapping the bat on home plate to never stepping on a foul line to the prolonged use of a lucky bat or glove way past what its condition warrants.

Traders and investors have their own set of superstitions, and these can seem every bit as silly as those we see in other walks of life. That said, trading superstitions are very tough to let go of, even for the most logical and circumspect of market players.

Let's look at a few of them...

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