shares of baker hughes co bkr sank 096 to 2898 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 061 to 399532 and dow jones industrial average djia falling 042 to 3396635 the stocks fall snapped a twoday winning streak baker hughes co closed 1080 below its 52week high 3978 which the company reached on march 24th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as caterpillar