Scott MartindaleThis seasonally weak time of the year has proven reliable once again. As I observed last week, the volatility index often hits a peak in October but has never hit a trough during this notorious month. Last week, I warned of more downside in stocks before any new highs are challenged. It was the type of week that tests investors’ bullish conviction, and it was way overdue. Read more about Sector Detector: Overdue market weakness finally hits, but sector rankings turn bullish