Coinspeaker WMT Stock Down 0.36% Now, Walmart to Kill Off Grocery App in Favor of New PlatformWalmart has already started to gradually transfer its customers to the new Walmart app that now places 50% of online grocery orders. WMT stock closed in the green yesterday but declined in the pre-market today.WMT Stock Down 0.36% Now, Walmart to Kill Off Grocery App in Favor of New Platform