shares of baker hughes co bkr advanced 160 to 3109 wednesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 002 to 3266184 and the sp 500 index spx falling 047 to 395139 baker hughes co closed 869 short of its 52week high 3978 which the company achieved on march 24th the stock underperformed when compared to some of its competitors wednesday as caterpillar inc cat rose 381 to 24867 schlumberger ltd slb rose