Real-estate investment company Sun Commercial Real Estate has just closed a share-sale deal to buy two low-rise apartment buildings in the West End. Located at 1075 Nelson and 1059 Nelson, they are assessed at $16 million and sold for about $60 million, according to real estate sources. The deal is the latest by Sun, an aggressive new speculator in the Greater Vancouver market that has been buying and selling properties it says in promotional materials is worth in the hundreds of millions of dollars.