The Dow and S&P fell for a third straight day and Jim Cramer is taking a closer look at what's behind the market’s downturn. First, Cramer is guiding investors through the S&P’s recent moves and comparing the action to the trends of 2008 and 2001. Next, as the averages continue their downturn, Cramer's going Off The Charts to see where the market could be headed next. Plus, Cramer's turning in his homework on the manufacturing company Atkore.