shares of nov inc nov shed 619 to 1804 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 070 to 389193 and dow jones industrial average djia falling 087 to 3187457 this was the stocks eighth consecutive day of losses nov inc closed 679 short of its 52week high 2483 which the company achieved on january 27th