Slovenia's Kolektor-led tie-up digs 43% of tunnels on Divaca-Koper railway
Bulgarian utilities regulator OKs 31% cut in gas price for Feb
Bosnia's ETMax to build 450 mln euro worth of solar plants - local govt
Albania's economic confidence indicator slightly up in Jan
Serbia to sell 85 mln euro of 12-yr year of T-bonds on Feb 7