The mood improved dramatically yesterday on the Greek bourse, with the vast majority of stocks posting gains after three consecutive sessions of losses for most. The Athens Exchange (ATHEX) general index rebounded by 1.46 percent to reach 4,917.50 points, from 4,846.64 points on Monday. The FTSE/ATHEX 20 blue chip index grew by 1.60 percent to 2,619.92 points. The FTSE/ATHEX Mid-40 gained 2.07 percent and the FTSE/ATHEX 80 small-cap index advanced by 1.24 percent. The FTSE/ ATHEX International rose by 1.70 percent to close at 7,062.75 points. Bank of Cyprus and Piraeus Bank outperformed among blue chips (both with a rise of 3.21 percent), closely followed by Intralot (up 3.19 percent). Alpha bank gained 2.97 percent, Cosmote 2.41 percent and OTE 2.12 percent. The biggest loser was PPC (down 1.78 percent), followed by Hellenic Technodomiki – TEV (1.19 percent) and Hellenic Petroleum (0.55 percent). All but two sectoral indices headed north yesterday, led by commerce (up 3.85 percent), health (2.93 percent), raw materials (2.67 percent) and chemicals (2.60 percent). Utilities lost 1.21 percent and petroleum declined by 0.27 percent. Turnover came to -461.17 million, of which -61.79 million involved block trades.