 The U.S. military commander in Niger says all American forces and equipment will leave a small base in the West African country this weekend, and fewer than 500 remaining troops will be out of a critical drone base in August. The departures come ahead of a September 15th deadline set in an agreement with the new ruling junta. On Wall Street, the Dow up by 67 points, the Nasdaq rose 164, the S&P 500 advanced 30.