the dow jones industrial average is essentially flat thursday afternoon with shares of boeing and caterpillar delivering strong returns for the bluechip average shares of boeing ba and caterpillar cat account for around one third of the indexs intraday movement as the dow djia is trading 25 points or 01 higher boeings shares have gained 1054 72 while those of caterpillar are up 687 32 combining for a roughly 115point bump for the dow a 1 move in any one of the 30 components of the benchmark equates to a 659point swing 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