Shares up 34% for well explorer

AMINEX plc, an Irish oil and gas explorer saw the sharpest rise in its share price in four years in London yesterday, after tests at the Sunny Ernst-2 well in Texas “materially exceeded expectations”, the company said.

Aminex currently has operations in Africa and the US.

Its shares gained as much as 3p or 34% to 11.75p following yesterday’s announcement, the steepest one-day advance since September 2004.