Zion Oil & Gas (ZN -23.2%) shares plunge as the Israeli company says it is re-evaluating its...

|About: Zion Oil & Gas Inc (ZN)|By:, SA News Editor

Zion Oil & Gas (ZN -23.2%) shares plunge as the Israeli company says it is re-evaluating its exploration strategy and does not expect to drill a new exploratory well in H1 2013, citing significant changes in the country's permitting process, but hopes to drill near the end of 2013 or in 2014.