While the Nasdaq markets and the Q's have already successfully breached their 200 day SMA's more then once, and as the DOW is within spitting distance of its own 200 day SMA, the S&P 500 remains quite distanced from its 200 day SMA making it arguably the most overpriced index at this moment as well as a laggard...
Take note of current double bottom (at 1163), if this goes, it's probably likely that the Dow Jones broke it's 200 day SMA and that the S&P 500 is well on its way to attempting to do the same...