By Chuck Mikolajczak NEW YORK (Reuters) – The U.S. dollar jumped and the Russian rouble tumbled to a record low on Thursday after Russia launched an invasion of Ukraine, as investors fled risk assets and moved towards safe haven assets. Russian forces invaded Ukraine in a massed assault by land, sea and air, the biggest attack by one country against another in Europe since World War Two. The dollar index rose 1.501% and was on pace for its biggest daily percentage gain since March 2020, when U.S, markets were in the throes of the first wave of the COVID-19 pandemic. The greenback reached a hig…