shares of chevron and walmart are posting losses wednesday morning dragging the dow jones industrial average into negative territory shares of chevron cvx and walmart wmt have contributed to the bluechip gauges intraday decline as the dow djia was most recently trading 35 points 01 lower chevrons shares are off 350 or 20 while those of walmart are off 156 or 11 combining for an approximately 33point drag on the dow other components contributing significantly to the decline include caterpillar cat  dow dow  and nike nke  a 1 move in any of the benchmarks 30 components 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