Australian shares drop as miners, earnings weigh By: MarketWatch February 15, 2012 at 18:57 PM EST Australian shares fall, with a raft of poorly-received earnings weighing on a market already fretting about the prospects of a messy Greek default. Read More >> Related Stocks: Amp Ltd Bhp Billiton Ltd ADR Brambles Ltd Rio Tinto Plc ADR Westpac Banking Corp Ltd