Greek stocks fell nearly four percent yesterday on across-the-board losses after three people died during an anti-austerity demonstration in Athens. The Athens bourse’s benchmark general index fell 3.91 percent to 1,662.10 points, after dipping to an intra session low of 1,625 points. Banks, which tumbled more than 10 percent on Tuesday, gave up 3.08 percent. National Bank, the country’s largest lender, added 1.94 percent to 11.06 euros but peer Alpha slipped 2.48 percent to 5.12 euros. Eurobank gave up 3.40 percent to 5.12 euros and Piraeus Bank ended at 4.84 euros, off 3.01 percent. The blue chip FTSE/ATHEX 20 index dipped by 3.89 percent to 811.84 points. Power company PPC finished unchanged at 12.10 euros and OTE telecom dropped 1.59 percent to 8.05 euros. Cement company Titan fell 2.46 percent to 19.36 euros while Hellenic Exchanges, the operator of the Athens bourse, eased 0.67 percent to 5.93 euros. Mid-caps (FTSE/ATHEX 40 index) retreated 3.08 percent and small-caps (FTSE/ATHEX 80) dropped 3.76 percent. Turnover reached 247.2 million euros versus 215 million euros previously.