No 6 Alibaba

China's e-commerce giant Alibaba Group on the morning of Sept 19, 2014 rang the opening bell at the New York Stock Exchange, marking its initial public offering on Wall Street.

Alibaba set its IPO price at $68 per American Depositary Share on the evening of Sept 18, raising $21.8 billion. The IPO is believed to be the biggest in US history.

Alibaba Group Holding Ltd's employees applaud as the opening bell of the New York Stock Exchange signals debut of the tech giant's shares, Sept 19, 2014.[Photo/Agencies]