U.S. Trade Tariffs Push Industrials, Materials Stocks Lower. Trump defends new tariffs, says China started trade war. A new holding place for hundreds of immigrant children: A vacant warehouse in Houston. As trade war with China looms, U.S. readies second wave of duties. Citigroup to pay $100 million to settle U.S. Libor rigging probe. Volcker ‘fix’ may cause new headaches for Wall Street.