Bangladesh, Sept. 15 -- In first such intervention in foreign-exchange market, Bangladesh's central bank Monday auctioned the US dollar to tame a sudden exchange-rate upturn.

The Bangladesh Bank (BB) sold US$11.50 million to five banks on the day through what stands out as first-ever auction-based dollar sale by the regulator in the country.

The regulatory move comes against the backdrop of a rising trend in the exchange rate of the US currency against the Bangladesh taka (BDT) recent days following higher import-payment obligations, according to market operators.

They also said comparatively lower remittance inflows, particularly in the middle of each month, had pushed up demand for the greenback on the market.

The local currency d...