One trading day after off-price retailer Ross Stores (NASDAQ: ROST) plunged on earnings, the stock was rallying as investors seemed to spy a buying opportunity in the midst of braoder market gains. A Barron's article over the weekend argued that off-price retail stocks look like a bargain after last week's slide, especially since they are well positioned in a slowing economy compared to peers like department stores as consumers tend to shop at off-price chains to save money. The writer, Teresa Rivas, argued that off-price chains could seize the opportunity to grab market share.