Euro and Japanese yen largely held gains against the dollar this week

LONDON, Dec 3 (Reuters)— Tuesday's euro and Japanese yen largely held gains against the dollar this week after deceiving U.S. production data and signals of new fronts. The trade war of President Donald Trump frightened greenback investors.

Nevertheless, fluctuations in currency markets are largely controlled, with uncertainty staying small and traders not seeming to be very alarmed by reports of U.S. tariffs on steel expor....