GlaxoSmithKline (GSK) Dips More Than Broader Markets: What You Should Know Posted byZacks Equity Research January 20, 2022 Leave a comment on GlaxoSmithKline (GSK) Dips More Than Broader Markets: What You Should Know GlaxoSmithKline (GSK) closed the most recent trading day at $44.88, moving -1.77% from the previous trading session.