Gold Ridge has put in the top bid of nearly S$801 million for a white site at Serangoon Central. The price works out to S$850 per square foot per plot ratio for the 99-year leasehold site. This is 10 percent more than the next highest bid of S$727 million from Serangoon Community Developments. All in, the site attracted 6 bids, with the lowest by Peak Star at S$215 million. Analysts expect a full...