According to the ETF Finder at ETF Channel, ZUMZ makes up 1.09% of the SPDR S&P Retail ETF (XRT) which is up by about 2.1% on the day Thursday.
In afternoon trading Thursday, ZUMZ was up about 6% on the day.
These heavily shorted stocks could get squeezed much higher if they report positive earnings this week.
B. Riley raised Zumiez (ZUMZ) stock rating to 'buy' after the retailer said sales in September rose 11.5% year-over-year.
Zumiez (ZUMZ) said September sales grew 11.5% year-over-year to $75 million.