shares of rockwell automation inc rok slid 158 to 30555 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 042 to 449938 and dow jones industrial average djia falling 045 to 3531449 rockwell automation inc closed 4297 below its 52week high 34852 which the company achieved on july 18th the stock underperformed when compared to some of its competitors tuesday as honeywell international inc hon fell 103 to 18765 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