US high-tech and IT stock exchange operator Nasdaq announced that it has included Baidu.com as a component stock of its Nasdaq 100 index, one of the world's major stock indexes, Xinhua Net reported (in Chinese). The index contains the 100 largest non-financial companies listed on the exchange, and is considered a weathervane of the market. Baidu.com, China's top search engine, became the first Chinese company on the index due to its large trading volume and rising share price. The company's stock on Nasdaq has reached US$387 per share from US$220 in the past three months.