Top mid-cap stock performers last week: Kingsoft Cloud up 34.77%, Oklo Inc. up 33.36%, AST SpaceMobile up 30.98%, VNET Group up 29.12%, Teladoc Health up 27.46%, GDS Holdings up 25.68%, Magnite up 23.08%, SolarWinds up 23.05%, Lions Gate Entertainment up 22.68%, IREN Limited up 22.02%.