Posted 28.05.2012 08:36:55 UTC
Updated 28.05.2012 08:36:55 UTC
At 0734 GMT, the Athens general index was up 2.5 percent at 497.26 points, bouncing back after tumbling to a 1990 low on Friday. Greece's banking index was up 2.2 percent.
Five polls published in Greece's weekend press showed the conservative New Democracy party with a lead of between 0.5 and 5.7 points over the anti-bailout leftist SYRIZA party, though analysts said the race was still too close to call.