shares of howmet aerospace inc hwm slipped 205 to 4966 wednesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 074 to 447216 and the dow jones industrial average djia rising 025 to 3434743 howmet aerospace inc closed 111 short of its 52week high 5077 which the company reached on july 11th the stock underperformed when compared to some of its competitors wednesday as berkshire hathaway inc cl a brka rose 077 to 52539999 berkshire hathaway inc cl b brkb rose 058 to 34535 and transdigm group inc tdg fell 053 to 88803 editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use