Zion Oil & Gas (ZN -15.7%) shares plunge after the Israeli company said it reduced the...

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

Zion Oil & Gas (ZN -15.7%) shares plunge after the Israeli company said it reduced the exercise price to $1.75 of both series of its outstanding publicly traded warrants; the original exercise price was $7 for one series and $4 for the other.