Apple Inc. (AAPL, Financial) has seen its shares pick up since March, after significantly trailing behind the rest of the big tech sector. Despite a sharp recovery, the stock is currently 2% below its all-time high. Comparatively, shares are underperforming the market by about 6% in a year that has generally been very favorable for other major tech companies.Figure 1: Apple shares sharply recover following lackluster performanceAAPL Data by GuruFocusThis underperformance can be attributed to Apple's lacklus ...