Northrop Grumman has completed its acquisition of the shares of Newport News Shipbuilding common stock, the company announced today. "As a result of the statutory merger completed Friday, Northrop Grumman now owns 100 percent of Newport News," a company statement reads. "Newport News shareholders who surrendered their shares in the merger will receive either 0.7193 shares of Northrop Grumman common stock or $67.50 in cash, subject to proration procedures and other limitations described in documents previously provided to Newport News...