shares of american express and walgreens boots are trading lower thursday morning leading the dow jones industrial average selloff shares of american express axp and walgreens boots wba have contributed to the bluechip gauges intraday decline as the dow djia was most recently trading 370 points or 11 lower american expresss shares are off 528 or 30 while those of walgreens boots have declined 058 or 20 combining for a roughly 39point drag on the dow other components contributing significantly to the decline include travelers trv  intel intc  and jpmorgan chase jpm  a 1 move in any one of the 30 components of the benchmark results in 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