The brokerage now has an "overweight" rating on Japanese stocks, citing high wage growth and recovering domestic demand as well as an increase in share buybacks and a relatively weak yen as reasons behind the upgrade.

Japan's main index the Nikkei 225 remains close to a record high. It has gained over 17% so far this year, after a 28.2% surge in 2023.

Citi downgraded emerging markets to a "neutral" rating, though is overweight Asian emerging markets and underweight Latin America.

(Reporting by Lucy Raitano, editing by Alun John)