TOKYO, April 29 Reuters Japan39;s yen strengthened sharply on Monday in a move market participants said pointed to yenbuying intervention from Japanese authorities to stabilise the sliding currency.

After trading at its weakest level in 34 years at 160.245 per dollar in the Asian morning, the yen jumped from around 159.5 per dollar to 155.2 over an hour of oneway trade.

The cause of the move was not immediately clear. Some traders cited yen buying by Japanese banks.

Japan last intervened in October 2022 as the yen plumbed lows near 152 per dollar. It was then estimated to have spent as much as 9.2 trillion yen 60.78 billion defending the currency.

Here is a timeline of moves in foreign exchange markets by the Bank of Japan BOJ.

March 27, 2024 Bank of Japan, the Finance Ministry and Japan39;s Financial Services Agency held a meeting after the yen fell to a 34year low against the dollar, and suggested they were ready to intervene.

Oct. 2124, 2022 The dollar plunged more than 7 yen at one point on Oct. 21 in a decline sources attributed to authorities39; yen buying. Japanese Finance Minister Shunichi Suzuki declined to confirm whether the government had intervened in the currency market.

Sept. 7, 2022 Top government spokesman Hirokazu Matsuno expresses concern about rapid, onesided moves seen in the currency market after the yen weakens beyond 143 per dollar.

June 10, 2022 Japan39;s government and central bank issue a rare joint statement saying they are…