Greek stocks yesterday followed the jitters felt by markets across Europe after the news of the bombings in Istanbul. The benchmark general index ended 24.42 points or 1.15 percent down at 2,106.11 points. Only the investment sectoral index remained afloat, with marginal gains of 0.05 percent. Losers outnumbered gainers at a ratio of 10 to one. The insurance sector led the losers, ending 3.02 percent down, followed by printing and publishing, which receded 2.70 percent. Banks ended 0.92 percent lower. Among blue chips, only Alpha Bank and EFG Eurobank ended higher, gaining 0.57 and 0.15 percent, respectively. National shed 2.06 percent and Emporiki 2.71 percent. Telecoms realized moderate losses: OTE was 0.43 percent lower, and mobile operators CosmOTE and Vodafone shed 0.77 and 0.67 percent, respectively. Intracom dived 4.15 percent. Blue chips lost 1.02 percent, mid-caps 1.57 percent and small-caps 2.23 percent. Turnover fell to 131.2 million euros, of which 16.75 percent was accounted for by block trades. Decliners outnumbered advancers 293 to 34, with 31 stocks ending unchanged on 358 traded. The most marketable security was EFG Eurobank, with 971,777 shares changing hands.