Since the Fukushima nuclear accident in 2011, Japan has restarted 14 reactors of its plant that remain operable as it tries to wean itself off imported fossil fuels.

The yen outperformed its Group-of-10 peers on Tuesday, strengthening after Japan’s Finance Minister Satsuki Katayama said in an interview that the government has a “free hand” to take bold action against the currency if its moves are out of line with fundamentals.