Stocks gained yesterday on the Athens Stock Exchange, following four sessions of mild declines. Investors turned mainly to medium-capitalization firms. The ASE general index closed at 3,304.83 points, a gain of 26.03 points or 0.81 percent. The FTSE/ASE-20 index of blue chips gained 0.67 percent to close at 1,825.95 points, while mid-caps and small-caps gained 1.67 percent and 0.97 percent, respectively. Several blue chips ended with significant gains: these included telecommunications equipment firm Intracom (8.94 percent to a year-high 5.36 euros), OTE (2.66 percent to 17.78 euros, also a year-high), casino and hotel operator Hyatt (3.45 percent to 10.78 euros), metals group Viohalco (2.03 percent to 6.04 euros) and Duty Free Shops (1.47 percent to 15.33 euros). The session’s greatest gainers were Agrotiki Insurance (18.47 percent), Unibrain (11.2 percent), Emborikos Desmos (10.1 percent), Images and Sound (10 percent) and Tasoglou-Delonghi (10 percent). The greatest losses were recorded by Paperpack-Tsoukaridis (20 percent), Viosol’s preferred shares (11.11 percent) and Fanco (8.70 percent). Turnover reached 159.18 million euros, including 3.93 million in prearranged trades.