Zumiez's (ZUMZ) third-quarter fiscal 2021 results reflect gains from robust strategic efforts. : Zumiez Inc. ZUMZ reported stellar third-quarter fiscal 2021 results wherein both its top and the bottom line increased year over year while the latter surpassed the Zacks Consensus Estimate.Results were backed by Zumiez’s solid efforts to meet robust consumer demand. Robust back-to-school season, driven by strong full-price selling coupled with a sturdy operating model, further aided results.