Japan refrained from selling yen in the foreign-exchange market during the month to May 29, the Ministry of Finance said on its website today.

The nation didn’t sell any of its currency from April 26 to May 29, the ministry’s regular month-end data showed. The yen strengthened 3.8 percent in April, the biggest monthly gain since July last year.

To contact the reporters on this story: Mariko Ishikawa in Tokyo at mishikawa9@bloomberg.net; Shigeki Nozawa in Tokyo at snozawa1@bloomberg.net

To contact the editor responsible for this story: Garfield Reynolds at greynolds1@bloomberg.net