TOKYO - Japan spent 5.92 trillion yen (about $41 billion) on April 29 to slow the currency's rapid fall against the US dollar, a record single-day yen-buying intervention, local media reported.

Quarterly data from the Finance Ministry showed the single-day record was followed by another 3.87 trillion yen two days later, marking the first time that official data confirmed dates and amounts of yen-buying, dollar-selling operations made between April and June, Kyodo News reported.

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The two rounds of massive dollar-selling intervention, totaled 9.79 trillion yen, helped drive up the yen by 5 percent from a 34-year low of 160.24 per US dollar, but failed to arrest the yen's downward slide, the report said.

After hitting a then 34-year high above 160 yen, the US dollar plunged about 5 yen in a short span of time to 154 yen in New York on April 29. On May 1, the greenback plunged to the 153 yen zone from the 157 yen range.

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The yen then resumed its downturn and sank to a fresh 37-year low in early July, with the US dollar nearing 162 yen, the Japanese currency's weakest since December 1986, where Japanese authorities likely embarked on another round of yen-buying, Kyodo News said.