Baidu has said it has erased all unlicensed websites from its search results and is working on a new program that would mark sponsored search results more clearly.

reported second quarter results that surpassed analysts’ forecasts on both the top and bottom lines, sending shares of the Beijing, China, Web portal 5.9% higher in after-hours trading to $166.50.

More than half of the top ten China's most admired companies come from Internet and high tech industries, but China's search engine giant Baidu failed to make the list.