"The question could be, 'Gee, are stocks expensive at this point?'" continued Stovall. "And history says prices lead fundamentals - that usually prices go up in anticipation of the earnings improvement. And we usually see a 22% expansion in the price-to-earnings ratio when you compare the bear-market bottom with when the bull market was confirmed with a 20% advance - and that's pretty much what we saw this time around as well."