some nouns

Nasdaq (English: NASDAQ), the full name of the National Association of Securities Dealers Automated Quotations [1], is an electronic securities trading institution in the United States. Owned and operated by market companies. NASDAQ is the abbreviation of the National Securities Industry Association's automatic quotation system. It was founded in 1971 and has become one of the largest stock markets in the world so far.

Citibank (Citibank, NA, the Chinese name "Citi" is derived from the habitual name of the bank in Shanghai) is a retail bank under the Citigroup. Its main predecessor was the "New York City Bank" established on June 16, 1812. (City Bank of New York), after nearly two centuries of development and mergers and acquisitions, has become one of the largest banks in the United States and an international bank with branches in nearly 150 countries and regions around the world. Headquartered at 399 Park Avenue, New York City. On September 19, 2012, Citibank (China) Co., Ltd. announced the official operation of its credit card business in China in Shanghai.

AlphaGo is an artificial intelligence program for Go, developed by Demis Hassabis, David Silva, Shane Legg and their team of Google's DeepMind company. Its main working principle is "deep learning". The program fought a man-machine battle with Go world champion and professional 9-dan player Lee Sedol in March 2016, and won by a total score of 4:1. Many professional Go players believe that Alpha Go's chess skills have reached or even surpassed the professional level of 9-dan, and in the world professional Go rankings, its rank score has once surpassed Ke Jie, the first-ranked human player.

At the end of 2016, an account similar to "Go God" appeared on the domestic chess website Yicheng. During the three days from December 29th to 31st, 2016, mysterious masters beat Ke Jie 9th dan, Chen Yaoye 9th dan, Pu Tinghuan 9th dan, Mi Yuting 9th dan, Tang Weixing 9th dan and other masters.

At the beginning of 2017, AlphaGo turned into a mysterious online chess player Master and defeated dozens of Chinese, Japanese and Korean Go masters, including Nie Weiping, Ke Jie, Pu Tinghuan, and Jingshan Yutai. The complete victory caused a shock in the chess and technology circles