Nike Inc NKE's turnaround efforts may be starting to take hold. Shares have rallied 15 percent over the past month and the company is receiving a notable upgrade heading into its second-quarter report, which is scheduled for a Dec. 21 release. The Analyst John Staszak of Argus upgraded Nike from Hold to Buy with a $75 price target. SourceStochastics are overbought. The upside seems to be over. $NKE, Nike, Inc. / D