Alibaba Group Holding Limited, branded as Alibaba, is a Chinese multinational technology company specializing in e-commerce, retail, Internet, and technology. Founded on 28 June 1999 in Hangzhou, Zhejiang, the company provides consumer-to-consumer, business-to-consumer, and business-to-business sales services via Chinese and global marketplaces, as well as local consumer, digital media and entertainment, logistics, and cloud computing services. It owns and operates a diverse portfolio of companies around the world in numerous business sectors. On 19 September 2014, Alibaba's American initial public offering on the New York Stock Exchange raised US$25 billion, giving the company a market value of US$231 billion and, by far, then the largest IPO in world history. It is one of the top 10 most valuable corporations, and is named the 31st-largest public company in the world on the Forbes Global 2000 2020 list. In January 2018, Alibaba became the second Asian company to break the US$500 billion valuation mark, after its competitor Tencent. Alibaba is one of the world's largest retailers and e-commerce companies.