Australian shares edge higher By: MarketWatch January 18, 2012 at 20:55 PM EST Australian shares notch mild gains, with banks advancing, after Greece resumes restructuring talks with its creditors and following some upbeat data on the US housing market Read More >> Related Stocks: Bhp Billiton Ltd ADR Bluescope Steel Ltd Boral Ltd Cochlear Ltd Csl Ltd James Hardie Industries Plc National Australia Bank Ltd [Victoria Australia Rio Tinto Plc ADR Sims Limited Westpac Banking Corp Ltd