Japanese authorities are keeping a close eye on currency markets as the yen has fallen to a fresh 34-year low against the dollar. Now this has further fueled speculation of an intervention to support the currency. So what would an intervention look like? And what can we expect in currency markets ahead of Japan's interest rate decision on Friday? On Money in the Market, Hongbin Jeong speaks to Kelvin Wong, Senior Market Analyst, Oanda, to find out more

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