Tilly's rallies to 52-week high

• Shares of Tilly's (NYSE:TLYS) are up 4.74% to hit a 52-week high of $9.51.
• Last month, Tilly's topped estimates with its Q2 report, prompting B. Riley to upgrade the retailer to a Buy rating.
• Some analysts think Tilly's has benefited from the reduced number of apparel stores in operation in malls.