The lowly valued consumer products company defied Wall Street's expectations this week. Shares of Helen of Troy (HELE -0.15%) rallied this week, rising 15.3% through Thursday trading, according to data from S&P Global Market Intelligence. Helen of Troy actually released earnings this week for its quarter ending on Aug. 31. While the numbers in and of themselves don't look great, they defied analyst expectations. But is this turnaround worth the gamble now? Strong stock performance on low expectations Helen ...