Why GoPro, Apellis Pharmaceuticals, and Hertz Global Holdings Slumped Today

Wall Street had another good session on Tuesday, with favorable earnings reports from some of the nation's most successful technology companies helping to lift major benchmarks by 1% or more. Investors haven't forgotten about some of the potential pitfalls that could derail the recovery, including both geopolitical and macroeconomic concerns.

Yet traders seem to want to see the market test its all-time highs before deciding whether the correction could turn into a full-fledged bear market reversal. Some individual stocks, however, missed out on the good times. GoPro (NASDAQ: GPRO), Apellis Pharmaceuticals (NASDAQ: APLS), and Hertz Global Holdings (NYSE: HTZ)were among the worst performers on the day. Here's why they did so poorly.