EZ Energy Ltd. (EZ) soared the most in 10 months after the operator of gas stations and convenience stores said GPM Investments LLC offered to buy a 50 percent stake in its U.S. unit.

The shares jumped 19 percent, the most since Aug. 4, to 0.032 shekel at 11:04 a.m. in Tel Aviv, giving the Ramat Gan, Israel-based company a market value of 33.4 million shekels ($8.6 million).

EZ Energy said GPM offered $15 million for the stake in EZ Energy USA Inc.

To contact the reporter on this story: Shoshanna Solomon in Tel Aviv at ssolomon22@bloomberg.net

To contact the editor responsible for this story: Claudia Maedler at cmaedler@bloomberg.net