China’s energy-drinks giant Eastroc Beverage neither rose nor fell in its debut in Hong Kong on Tuesday amid investor caution following regulatory scrutiny of poor-quality listing applications. Shares of the Shenzhen-based company, which makes an alternative to Red Bull, opened at HK$248, matching the offer price. They ended the day 1.5 per cent higher at HK$251.80. Eastroc raised HK$10.14 billion (US$1.3 billion) by issuing 40.89 million shares, the largest initial public offering (IPO) in the...