NEW YORK — Stocks are broadly lower on Wall Street in afternoon trading Wednesday after Federal Reserve Chief Jerome Powell signaled that it's too early for the central bank to consider pausing its interest rate increases as it tries to crush the wor NEW YORK — Stocks are broadly lower on Wall Street in afternoon trading Wednesday after Federal Reserve Chief Jerome Powell signaled that it's too early for the central bank to consider pausing its interest rate increases as it tries to crush the worst inflation in decades. The remarks came after the Fed announced a widely expected fourth…