US President Donald Trump has hosted the relatives of victims killed by illegal immigrants amid outrage over the separation of migrant families.
European Council President Donald Tusk has met Austrian Chancellor Sebastian Kurz to discuss migration issue.
The US dollar declined as euro rose amid positive regional economic data.
US stocks ended mixed after a weak previous trading session as energy shares rose, boosting the market.
Russian President Vladimir Putin and his South Korean counterpart Moon Jae-in have agreed during talks here to develop bilateral cooperation.