Legal firm Maurice Blackburn says it is looking at launching a class action against QBE following the insurance giant's share price collapse in late 2013.
The S&P 500 has closed at a new record as US stocks rallied following solid economic data and Federal Reserve reassurance of support for the recovering economy.
The share market has closed lower despite pulling back most of its early losses after official data showed a slight improvement in China's manufacturing activity.
The Reserve Bank of Australia has kept the cash rate on hold, saying the current level of 2.5 per cent will help to stimulate growth while keeping inflation under control.
US stocks have surged on the back of a rebound in technology stocks, helped by Janet Yellen's assurance the Federal Reserve will continue to support the economy.
Better-than-expected numbers on US consumer incomes and spending has given Wall Street shares a boost, as investors shrugged off sabre-rattling over Ukraine.
US stocks have finished lower with technology names tumbling the most after the market snubbed a Facebook acquisition announcement and King Digital's first day of trade as a public company.
The Australian dollar has hit a four-month high, helped by continuing speculation that the Chinese central bank will take action to stimulate its economy.
A second straight sell-off of popular technology shares has dragged US stocks lower, as tensions with Russia over Ukraine continue to keep investors on edge.
