Shares of Tilly's Inc. (NYSE: TLYS) jumped as much as 25.3% in early trading Wednesday after the clothing company reported a first-quarter loss. At 12:20 p.m. EDT, the stock had fallen slightly but were still trading 16.9% higher for the day. Total sales climbed 0.6% to $120.9 million and comparable-store sales went from a 4.1% decline a year ago to a 0.6% increase this year.