GlaxoSmithKline traded at 1,342.00 this Friday November 22nd, increasing 32.50 or 2.48 percent since the previous trading session. Looking back, over the last four weeks, GlaxoSmithKline gained 7.32 percent. Over the last 12 months, its price fell by 5.56 percent. Looking ahead, we forecast GlaxoSmithKline to be priced at 1,396.61 by the end of this quarter and at 1,357.18 in one year, according to Trading Economics global macro models projections and analysts expectations.