Ever since the New York Stock Exchange introduced the computerized trading systems during the 1970s, algorithms in trading have become more popular. By 2010, upwards of 60 percent of all trades were executed by computer algorithms. In the last few years, algorithmic trading has reached new heights with the growth of big data and progress in artificial intelligence (AI). This talk will start with the latest AI technologies that enable AI automatic trading such as long short-term memory, reinforcement learning, and knowledge graph, to name a few.We will then point out the challenges of various industries in the AI era, and how we can better ready ourselves to the opportunities ahead.