Mapletree Greater China Commercial Trust (MGCCT) - Singapore's largest share sale in two years - jumped by as much as 12.4 per cent on its trading debut on Thursday. The REIT, the fourth sponsored by Mapletree Investments, opened at S$1.02 and closed the session at S$1.03 - some 10.7 per cent higher than its initial public offering price of S$0.93 per unit. The REIT was nearly 30 times oversubscribed and...