shares of lockheed martin corp lmt inched 032 higher to 47887 tuesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 168 to 392056 and the dow jones industrial average djia rising 106 to 3215540 this was the stocks second consecutive day of gains lockheed martin corp closed 2008 below its 52week high 49895 which the company reached on december 2nd the stock demonstrated a mixed performance when compared to some of its competitors