OK, i divide Apple to Nasdaq composite to get it into a ratio ( ) and then comparing it to Apple (Line chart) itself.
Since 2005 or earlier, wherever the ratio goes, so does APPLE . Hence they sink & swing in tandem until Sept 2012.
Now, comparing the higher higher in Apple's price and the higher "high" in the ratio, unfortunately i see a divergence for this.
Hence, the moment the ratio makes a U-turn, that is the time to SHORT apple (because the divergence will pull it down.. perhaps.