Greek stocks slipped yesterday, failing to hold onto moderate mid-session gains, as investors selectively picked up blue-chip shares. The Athens bourse benchmark general index eased 0.24 percent to 2,043.40 points after rising to a session high of 2,076 points. The blue chip FTSE/ATHEX 20 index slipped 0.60 percent to 1,030.87 points. Eurobank advanced 3.52 percent to 6.47 euros, while Marfin Investment Group also performed strongly, jumping 4.95 percent to 2.12 euros. National Bank dropped 1.94 percent to 15.70 euros. Betting company OPAP retreated 1.45 percent to 15.64 euros and power utility PPC fell 1.11 percent to 13.40 euros. Turnover reached 186.5 million euros versus 277 million on the previous session.