Greek stocks rebounded from a four-session losing streak yesterday, gaining 0.67 percent on across-the-board gains. Buyers targeted companies included in the government’s state sell-off plan, such as the Athens and Thessaloniki water utilities (EYDAP and EYATH respectively). The bourse’s benchmark general index ended at 1,537.82 points, trimming mid-session gains of more than 1 percent. Banks firmed 0.44 percent. National Bank added 1.11 percent to 10.06 euros and Eurobank ended at 3.91 euros, up 0.51 percent. Piraeus Bank advanced 1 percent to 4.04 euros. The blue chip FTSE/ATHEX 20 index edged ahead 0.63 percent to end at 734.88 points. Hellenic Petroleum rose 0.18 percent to 5.60 euros after investment bank UBS raised its rating on the share to neutral from sell. Peer Motor Oil outperformed, adding 2.14 percent to 7.15 euros, boosted by a ratings upgrade from UBS to buy from neutral. The mid-cap FTSE/ATHEX 40 index advanced 0.71 percent while the small-cap FTSE/ATHEX 80 index rose 0.92 percent. EYDAP jumped 6.08 percent to 5.58 euros and EYATH soared 7.02 percent higher to 4.42 euros. Turnover reached 100.8 million euros versus 106.3 million euros in the previous session.