Views of the Singapore River are commanding a premium today. On June 3, a penthouse unit of 5,511 sq ft at The Trillium on Kim Seng Road was sold for $12.4 million, or $2,250 psf. Within a week, a second unit, slightly smaller at 1,798 sq ft, was sold for $3.4 million, or $1,908 psf. The Trillium penthouse transaction is the highest so far for the development in terms of price psf. The development has 236...