Petco's business continues to shrink, but it still topped analysts' estimates. Shares of Petco (WOOF 23.72%) were moving higher today after the pet products retailer posted better-than- expected results in its first-quarter earnings report, though the company is still struggling with declining revenue and profits. As of 11:37 a.m. ET, the stock was up 30.6%. Petco starts to climb out of a deep hole Pet retailers' stocks have struggled since the pandemic boom as a spike in pet adoption during the lockdown pe ...