Walgreens has sold more shares of drug distributor Cencora for proceeds of about 400million,which...[+]willbeusedfor“debtpaydownandgeneralcorporatepurposes.”Inthis2013photo,asignmarkstheentrancetoaWalgreensstoreinSanFrancisco′supscaleUnionSquareshoppingdistrict.(PhotobyRobertAlexander/GettyImages)GettyImagesWalgreensBootsAlliancehassoldmoresharesofdrugdistributorCencoraforproceedsofabout400 million, which will be used for “debt paydown and general c ...