One day at a time. European stocks recovered Monday as anxiety over the possibility of Greece exiting the euro zone eased off. New polls showed that political parties in Greece that support the bailout had gained a lead among voters, and though the margin was hardly enough to constitute an electoral landslide, it was enough. “Anything that allays fears over Greece is a positive,” said equities trader Adrian Slack. “People are just looking for a bit of respite.” A spoonful of positive news was more than enough to kick markets into gear, however, and investors say that trend may continue as Greek elections near. “Heading into the Greek elections ... reactions to any positive news may be bigger than those to negative news,” one currency analyst said.