investor sits in front of a board showing stock information at a brokerage office in Beijing. © Reuters October 31, 2021 00:42 JST | China Copy Copied SHANGHAI (Reuters) -- China published a set of rules for the newly established Beijing Stock Exchange on Saturday, moving a step closer toward the official launch of a market designed to fund innovative startups. The exchange was set up last month in the Chinese capital, complementing two other bourses in the business hub of Shanghai and the southern city of Shenzhen. Establishing the Beijing Stock Exchange is part of President Xi Jinping's strategic...