A quick look at the Weekly charts of the Russell and Value Line Indexes:
Are they leading the SPX?
This 90 minute chart of the SPX thinks so:
There is a lot of economic news due out this week, the biggie probably a cutesy Fed announcement on Wednesday. My guess is that the rally from the March lows is over and much of this winter will be mired in a falling market for equities. The size and severity of the decline is an open issue, another reason to just follow the trend and use protection around your forecasts.