China’s central bank responded to an overnight tumble in the dollar by strengthening its currency fixing the most since a peg was dismantled in July 2005. The reference rate was raised by 0.6 percent to 6.4589 per dollar. A gauge of the dollar’s strength slid 1 percent on Thursday after the Bank of Japan’s decision to unexpectedly keep monetary policy unchanged sent the yen surging. Bloomberg's Gregory Turk reports and Gam Chief Economist Larry Hatheway discuss with Anna Edwards on "Countdown."