S&P 500 Up for Sixth Straight Session

U.S. stocks ended higher on Tuesday, with the S&P 500 posting its sixth straight session of gains, amid increased diplomacy on Syria and after economic data illustrated ongoing improvement in China. The Dow Jones Industrial Average was up 127.94 points, or 0.85%, at 15,191.06. The S&P 500 rose for a sixth consecutive session, up 12.28 points, or 0.73%, at 1,683.99. The Nasdaq Composite advanced 22.84 points, or 0.62%, to 3,729.02,

Tuesday’s developments included a French plan to submit a Russian-backed proposal to confiscate Syria’s chemical arms to the United Nations, with Interfax reporting the regime in Syria had said it would go along with the plan.

U.S. employers advertised fewer jobs in July but hired more workers, a mixed sign that suggests only modest improvement in the job market. Job openings fell 180,000 in July to 3.7 million, the Labor Department said Tuesday. That’s down from 3.9 million the previous month, which was revised lower.

Apple Inc introduced two new iPhones on Tuesday, including an “iPhone 5C” that comes in five colors and starts at $99, priced to bring one of the industry’s costliest smartphones within reach of the masses in poorer emerging markets.

Twitter has bought online mobile-ad exchange MoPub, the company said in a blog post. The San Francisco-based companies did not disclose terms, but a person familiar with the matter said Twitter paid $350 million in stock for MoPub.