S&P - Big break??

For those who are interested, the S&P is hovering around it's long term diagonal support on the weekly and daily chart (formed since the March 2009 low). A break of this line may be a key signal so I am keeping a very close eye. As you can see, I am currently long the S&P in my virtual portfolio. Tomorrow's retail sales data and inflation data on Thursday could be key. See below for graphs...