us stocks opened near unchanged friday then moved slightly higher leaving major indexes on track for a losing week as the spread of the delta variant that causes covid19 stoked worries about global economic growth prospects losses for stockindex futures were erased ahead of the opening bell after dallas fed president robert kaplan in a television interview indicated he would reconsider his calls for a quick tapering of the central banks assetbuying program if covid19 begins to affect the outlook the dow jones industrial average djia rose 33 points or 01 to 34927 while the sp 500 spx rose 02 to 4415 the nasdaq composite was up 04 at 14593 the dow was on track for a 16 weekly loss while the sp 500 was down 12 and the nasdaq off 16