[Shares of Chinese social media giant Weibo close 7pct lower on the first day of trading in HK] Hong Kong-listed shares of Weibo dropped 7.18 percent in their trading debut on Wednesday. Shares of the Chinese social media giant closed at 253.20 Hong Kong dollars ($32.47) a piece, lower than the offer price of 272.80 Hong Kong dollars ($34.98). It is a secondary listing for Weibo, which raised approximately $385 million. The main listing is on the Nasdaq in the US, where the stock rose 4.69 percent in the overnight session. Weibo’s secondary listing comes as Chinese ride-hailing giant Didi…