Keppel Corp will extend the closing date of its offer to buy up the remaining shares of Keppel Land to March 26. The offer was due to expire on Thursday (Mar 12). As of Wednesday, Keppel Corp controls 80.8 per cent of the total number of issued shares. This is short of the 90 per cent level needed to take the property giant private. Earlier this year, Keppel Corp, the world's largest rig builder, offered...