Prices of units at Watermark@Robertson Quay hit a high of $1,879 psf last month as the three-year old condominium played catch-up with neighbouring projects overlooking the Singapore River. From April 12 to 19, there were three transactions at Watermark, with prices ranging from $1,647 to $1,879 psf. Keith Tan, an agent with APRO Realtors, says there has been increased interest in Watermark, owing to the...