Stocks tumble, yen rallies as Trump threatens to counter new China tariffs

NEW YORK (Reuters) - Stocks, the dollar and oil prices fell on Friday while safe havens rose after U.S. President Donald Trump threatened to further escalate his trade war with China "this afternoon," following a new round of retaliatory tariffs from Beijing.Earlier on Friday China's Commerce Ministry said in a statement it would impose tariffs on about $75 billion in imports from the United States including some agricultural products, crude oil and small aircraft.Trump responded mid-morning in..