Stocks gained slightly yesterday on the Athens Stock Exchange (ASE), as investors bought into certain blue chips late in what was an otherwise subdued session. The ASE general index closed at 3,299.43 points, a gain of 11.34 points or 0.34 percent. The FTSE/ASE-20 index of blue chips gained 0.54 percent to close at 1,841.59 points. Mid-caps declined 0.29 percent and small-caps gained 0.89 percent. The blue chips investors turned to toward at the end of the session were OTE (up 1.65 percent to 17.20 euros), Alpha Bank (1.41 percent to 23.16 euros), Piraeus Bank (1.09 percent to 16.70 euros), betting company OPAP (1.06 percent to 26.68 euros) and refiner Hellenic Petroleum (1.01 percent to a year-high 9.98 euros). By contrast, bottler Coca-Cola HBC tumbled 3.20 percent to close at 24.18 euros. For the third session running, Egnatia Bank led, both in the number of shares changing hands (7,492,759) and their value (27.26 million euros). Most of this turnover was made in one prearranged trade of 6,022,889 shares, acquired by Marfin Financial Group at 3.56 euros per share. Of 328 traded stocks, 135 gained, 120 declined and 73 ended unchanged. Turnover reached 197.08 million euros, including 33.93 million in prearranged trades.