shares of walgreens boots and salesforce inc are trading lower thursday morning sending the dow jones industrial average into negative territory shares of walgreens boots wba and salesforce inc crm have contributed to the bluechip gauges intraday decline as the dow djia was most recently trading 238 points or 08 lower walgreens bootss shares have dropped 195 48 while those of salesforce inc have fallen 550 32 combining for an approximately 49point drag on the dow other components contributing significantly to the decline include boeing ba  goldman sachs gs  and jpmorgan chase jpm  a 1 move in any one of the 30 components of the index 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