VLCC sale and purchase activity accelerated sharply in September, with 14 transactions registered compared with five in August, according to VesselsValue’s sales register, which has still to list sales from week 39.  Tanker asset values have climbed, with five-year-old VLCCs reported at $180m, up 6.51% week-on-week, AXIA Shipbrokers reported. Disclosed transaction values reached approximately $1.54bn, …