Lou and George Kollakis are making waves in the sale and purchase market, picking up one modern cape after another. Sources link Chartworld Shipping to the 179,000 dwt, Dalian-built , bought from Korean owner H-Line. The 2015-built bulker fetched $36.5m after receiving a handful of bids.  In June, Chartworld lined up $41.5m for another modern cape, adding …