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Twitter Rises Most Since IPO on Advertising Product Optimism

Twitter Inc. rose the most since its initial public offering to a record close as new advertising products spurred optimism about the social-networking company’s future sales growth.

Twitter shares gained 9.3 percent to $49.14 at the close in New York for the biggest jump since Nov. 7, the stock’s first day of trading, when it climbed 73 percent and touched an intraday high of $50.09. With a market capitalization of $27.9 billion, the microblogging service is among the most expensive Internet companies.