Greek stocks registered a third straight day of gains yesterday on the back of a strong rise in the US and Asian markets before it opened. The Athens Exchange (ATHEX) general index closed at 1,901.42 points yesterday, growing by 1.96 percent from Monday, though it did not sustain the 1,932-point level it had reached in mid-session. The blue chip FTSE/ATHEX 20 index expanded by 2.27 percent to end at 990.50 points. Hellenic Petroleum led blue chips with a rise of 8.93 percent, followed by Piraeus Bank (up 5.45 percent), Titan cement (4.95 percent), National Bank (3.92 percent) and Marfin Popular Bank (3.45 percent). The biggest losses were for Intralot (down 2.56 percent) and Hellenic Postbank (1.52 percent). Commerce stocks outperformed the market with their sectoral index gaining 8.18 percent. Turnover reached 204.1 million euros.