GSK (GSK) closed the most recent trading day at $39.75, moving +1.22% from the previous trading session. The stock's change was more than the S&P 500's daily loss of 0.88%. Elsewhere, the Dow saw an upswing of 0.56%, while the tech-heavy Nasdaq depreciated by 2.05%.Heading into today, shares of the drug developer had lost 7.32% over the past month, lagging the Medical sector's loss of 6.4% and the S&P 500's loss of 2.57% in that time.The investment community will be closely monitoring the performance of GSK ...