Stocks gain on commodities rise, China; dollar falls

By Gertrude Chavez-Dreyfuss
NEW YORK (Reuters) – Stocks rose worldwide on Tuesday supported by a rally in commodities such as copper and precious metals, while the U.S. dollar fell 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 <.STOXX>, edged back toward recent one-year peaks, while Wall Street shares traded higher.
Commodities such as copper gained on further signs of a pick-u