hk dayHong Kong's benchmark Hang Seng Index ended trading for the day up 146.30 points, or 0.62 percent, at 23,827.78. The Hang Seng China EnterprisesHong Kong’s railway operator, the MTR Corporation, has been ordered to offer a day of half-price fares after being hit with a HK$19.2 million (US$2.4 million) penalty over a five