Buy a stock because you use its product? That’s the worst idea ever, writes Jeff Reeves. Related posts: The Sniff Test: Burlington Stores should just tell investors: ‘We blew it’ Stoxx Europe 600 opens 3.1% lower at 349.98 UPDATE 1-In U-turn, investors pull money from U.S. stock funds in week -Lipper BRIEF-Ryerson promotes Leong Fang to executive vice president of operations Post navigation Brazil’s Real Strengthens 56 Pct Against U.s. Dollar in Spot-Market Trading Michael Sincere’s Long-Term Trader: Jim Cramer may want to take this bet on his stock-picking skills