Shinzo Abe has returned as Japan’s prime minister, and launched a war against deflation

National bank shows no signs of tiring in efforts to support franc, reports James Shotter

Traders have seen a resurgence in currencies as an asset class, reports Alice Ross

Officials in Seoul are concerned about quantitative easing, writes Simon Mundy

An extension of a Libor investigation to an obscure form of derivative has led to existential questions about the city-state’s position in the market, says Jeremy Grant

World’s foremost reserve currency has gained about 4% since the start of the year, writes Vivianne Rodrigues

The currency warrior that used to repel capital inflows may have to start learning to attract them, reports Joe Leahy

A lower level against the dollar would be more beneficial for peripheral states, reports David Keohane

Uncertainty about the single currency and a lack of volatility are keeping business slow, says Alice Ross

The internationalisation of the currency is moving faster than expected, writes Jeremy Grant

The idea of free convertibility for the currency may be just a pipe dream, says Joe Leahy

Central bank action undermines real but US ties may hurt peso in the end, says Vivianne Rodrigues