file photo traders work on the floor of the new york stock exchange nyse in new york city us august 27 2021 reutersbrendan mcdermidfile photo reuters  us stocks opened higher on monday recovering from sharp losses last week as focus turned to the impact of potential tax changes on corporate profits and the effects of inflation on monetary policy the dow jones industrial average rose 5778 points or 017 at the open to 3466550 the sp 500 opened higher by 1623 points or 036 at 447481 the nasdaq composite gained 9593 points or 063 to 1521143 at the opening bell