One of the key factors that have provoked the current bout higher risk aversion was the sub-50 Chinese manufacturing confidence gauge (PMI) which has intensified concerns about slowing growth . Additionally reports regulators in China have issued warnings about credit to the coal industry has reinforced debt fears in the country.
Domestic fundamental and political pressures in other currencies have contributed to the malaise in emerging markets, with a major drop in the Argentine peso and pressure on many other high beta emerging market currencies (including the usual suspects Turkish lira, South African rand and Indian rupee).
A deteriorating outlook for many emerging markets currencies based on concerns about the impact of Fed tapering and slowing emerging markets growth appears to be increasingly intensifying. Competition for capital as the Fed tapers will make things worse. The pressure is unlikely to ease quickly leaving many EM currencies vulnerable to a further sell off.