The auto parts retailer delivered another disappointing set of earnings.Automotive parts retailer Advance Auto Parts' (AAP -17.47%) CEO Shane O'Kelly has his work cut out for him. The stock's 17.8% decline in the week to Friday morning is the latest disappointment for a stock down 62% over the last decade compared to a 490% rise at AutoZone and a 625% increase at O'Reilly Automotive over the same period.Advance Auto Parts's second-quarter earningsAs previously noted, second-quarter earnings saw a severe con ...