Dade Hayes Finance EditorWalmart stock is up more than 5% — a major move for the typically sleepy large-cap shares — on news that the retail giant is interested in teaming with Microsoft to make a bid for TikTok.Microsoft, along with Oracle and Twitter, has already been in the mix as a potential acquirer of the fast-growing social platform’s U.S. operations.Owned by ByteDance, a conglomerate founded by a Chinese entrepreneur, TikTok ran afoul of U.S.