NEW YORK (AP) — Some of the world's wildest action in financial markets is roiling around the Japanese yen. Related Content Discount grocer Aldi is winning the inflation era Some social security recipients are getting two checks in May Are self-driving cars safe enough yet? CC Share Subtitles Off English Share this Video Facebook Twitter Email Reddit Link view video Are self-driving cars safe enough yet? The value of Japan's currency has tumbled so much that for a moment on Monday it took 160