I've occasionally featured technical commentary from Serge Perreault, a Chartered Accountant located near Montreal, Canada. Serge has some fascinating observations about the market behavior going into Halloween. Here's a chart he shared with me this morning.

This past week I've noted that the S&P 500 has twice dipped below the 50-day moving average, where it currently resides. Serge points out a couple of additional negative technical developments — appropriate Halloween reading!