Zumiez pops after same store sales, upgrade The stock is up over 5% at time of writing to $26.29 following same store sales reported after the close yesterday and an upgrade to Buy at DA Davidson. The current price action, a gap up in price this morning and a "line" across the chart today in a narrow range suggests a short-squeeze may be in progress. Over 8.5% of the float was short as of the last available report. Resistance is at $27.29. Support is at $25.64.