Which Big-Box Store Chain Has Dominated 2026: Walmart, Target, or Costco?

Shares of Target (NYSE:TGT | TGT Price Prediction) are changing hands near $129 in midday trading Tuesday, up 1% on the session and sitting on a year-to-date gain of 32%. That run has turned the longtime laggard into the surprise leader of the big-box pack in 2026. By comparison, Walmart (NASDAQ:WMT) stock is up 18% ... Which Big-Box Store Chain Has Dominated 2026: Walmart, Target, or Costco?