"The sponsorship for the Beijing Olympics is exclusive," says Chen Luming, Olympic project manager for Sohu, which is traded on the Nasdaq Stock Market.
The stock finished the 4 p.m. trading session down five cents to $17.17 on the Nasdaq Stock Market.
The New York Stock Exchange, the Nasdaq Stock Market and smaller exchanges have announced mergers, and the New York exchange's recent pursuit of Euronext, operator of four European stock markets, is driven in large part by Euronext's derivatives exchange in London.
The index, which includes 100 of the largest nonfinancial securities listed on the Nasdaq Stock Market, gained 52.16 points, or 2.9 percent, to 1, 846.89.
On Tuesday, Yahoo's ailing stock soared more than 9% to close at $11.55 on the Nasdaq Stock Market, a day after the board announced Mr. Yang will surrender his post when a new CEO is found.