Nike (NYSE: NKE) opened at $56.02. So far today, the stock has hit a low of $50.20 and a high of $56.53. NKE is now trading at $52.10, up $1.74 (3.46%). Over the last 52 weeks the stock has ranged from a low of $49.03 to a high of $70.60. NKE shares are trading higher this morning after the company sued Wal-Mart (WMT), accusing the retailer of selling shoes that infringe on NKE's Shox line. NKE wants...(Click the story link or go to http://www.marketintelligencecenter.com for the full story)