This pet retailer's future could be brighter than its present if management executes well on its new strategy. Shares of Petco Health and Wellness Company (WOOF 31.92%) were skyrocketing 29.6% higher as of 11:29 a.m. ET on Wednesday. The big gain came after the pet retailer announced its second-quarter results following the market close on Tuesday. Petco reported net revenue in Q2 of $1.52 billion, down 0.5% year over year. The company posted a net loss based on generally accepted accounting principles (GAA ...