Works by some of the world’s great photographers have been gathered for a new exhibition at the National Gallery, writes Marjorie Brennan

GOLD and platinum exploration company Ovoca Resources has appointed Guy Pas to its board as a non-executive director.

Share prices were higher in early trade after changing direction several times in uncertain price action, as investors reviewed a new set of technology sector research notes and a defense industry takeover offer, dealers said.

Trading opened flat on the Nasdaq composite and slightly lower on the DJIA.