Apple's stock has continued wavering in the marketplace, closing below $400 for the first time since mid-April on Wednesday and down some 43 percent from its all-time high of $705 nearly a year ago. While still trading higher than it was at the time of former CEO Steve Jobs' passing, many investors are puzzled at why a company with very solid fundamentals, a newly-announced generous dividend and buyback program, and a low price-to-earnings ratio would be doing relatively poorly. According to a new analysis of the stock, the problem is emotion.