As more Chinese jumped into shares seeking instant wealth, peer-to-peer websites offering loans have mushroomed. They are among a multitude of sources of debt that threaten to complicate any efforts to prevent an unruly end to China's stock market boom.
Vanessa Desloires, Jens Meyer, Colin Hamilton, Dionne Gain Amid the wild swings in global markets, some of Australia's top investors and analysts share which financial and economic indicators they're keeping their eyes on.
Matt O'Sullivan Australia's largest ports and rail company Asciano has received a $9 billion offer from Canadian asset manager Brookfield Infrastructure, in what could become the biggest corporate deal here since 2011.
Jared Lynch Tasmanian salmon farmer Tassal has netted one of Australia's biggest seafood companies in a cash and share deal.
Stephen Cauchi Not even the Grexit crisis has been enough to rescue gold from its bear market, but bullion fans take heart - better days are ahead.
Colin Kruger Forget the Ashes. Australia has already scored a big win in the unlikely setting of England's picturesque North York Moors National Park.
Justin Wolfers Political betting markets suggest that Greece's prime minister, Alexis Tsipras, may have misread the mood of his own electorate in calling for a financial referendum this Sunday.
Ilya Gridneff The tumultuous times have a taught Greeks valuable lessons such as keeping their cash under mattresses and tiles, rather than in banks. But there are fears the turn of events portends an even more difficult time to come.
Mark Mulligan Greece's debt woes, a shock in China or a US Federal Reserve misstep could trigger a bond sell-off that would expose built-up shortage of global liquidity, according to fixed-income guru Bill Gross.
Rose Powell Australian property prices are in a bubble and heading towards a correction in the next two or three years, says a leading investment bank.