Baidu Stock Market is Baidu launched in February this year, the first application of big data engine technology to intelligently analyze the hot stock market APP, listed on the market after a large number of shareholders quickly accumulated users. Different from the market speculation APP, Baidu Stock Market aggregates hundreds of millions of Baidu's daily political and economic search data and millions of news and information information to create a set of knowledge graph based on China's stock market, and with the help of professional data mining and analysis technology will be generated every day, news information, the whole network of data and the stock to establish a corresponding relationship, to provide users with distinctive intelligent stock selection services.

About stock investment, the industry generally believes that the main reference to three variables, namely, the cash flow of the investment project plan, the estimated cost of the company's capital and the stock market's reaction to the investment (market sentiment). However, until the birth of big data technology, market sentiment could never be quantified.

Shen Hao, a big data expert, said that by analyzing data from across the web, such as news, research reports, social information, search behavior and other data, and extracting useful information with the help of natural language processing methods, Baidu Stock Market has successfully touched the third level of this theoretical variable - market sentiment - and brought a new way of speculating in the stock market to investors.

Official statistics from Baidu Stock Market are also reminding investors not to underestimate the positive changes that big data and artificial intelligence can bring to the stock market.