shares of northrop grumman corp noc inched 048 higher to 46120 friday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 192 to 386316 and the dow jones industrial average djia rising 215 to 3128826 the stocks rise snapped a fourday losing streak northrop grumman corp closed 3110 below its 52week high 49230 which the company achieved on june 7th the stock demonstrated a mixed performance when compared to some of its competitors