The U.S. dollar briefly jumped above the 140 yen line Wednesday as news of a missile striking Poland raised concerns over geopolitical risks, though gains were pared following a comment by U.S. President Joe Biden that it was unlikely the missile was fired from Russia.The dollar rose more than 2 yen at one point in Tokyo from its levels in New York the day before, following reports that a missile landed in Poland and killed two people."Investors bought the dollar, which is usually hoarded during emergency situations," said Sho Suzuki, a market analyst at Matsui Securities Co.The U.S. curren…READ FULL ARTICLE