Vicor and NIKE have been highlighted as Zacks Bull and Bear of the Day

For Immediate Release Chicago, IL – October 21, 2026 – Zacks Equity Research shares Vicor VICR as the Bull of the Day and NIKE NKE as the Bear of the Day. In addition, Zacks Equity Research provides analysis on Walmart Inc. WMT, Target Corp. TGT and Costco Wholesale Corp. COST. Here is a synopsis of all five stocks: Bull of the Day: Throughout the AI boom, we have seen a steady stream of niche technology companies emerge as critical players in the infrastructure buildout. What began with GPUs and custom semiconductors has expanded into memory, optical networking, advanced packaging and a growing list of other industries.