U.S. stocks end mixed as markets await Trump press conference

By Gertrude Chavez-Dreyfuss NEW YORK (Reuters) - U.S. stocks end Tuesday mixed, while the dollar falls against the yen on investor caution ahead of a news conference by U.S. President-elect Donald Trump on Wednesday. European stock markets, which had opened broadly lower , closed the day on a firmer note, while Wall Street shares closed mixed, but with the Nasdaq Composite reaching an intra-day record peak. Oil prices were lower on the day but off their weakest levels of the previous session whe