Japan stocks jump as dollar tops ¥100; Korea drops By: MarketWatch May 09, 2013 at 21:48 PM EDT Japanese stocks shoot higher after the U.S. dollar breaks above the 100-yen level for the first time in four years, stoking sharp gains in exporters. Read More >> Related Stocks: Fortescue Metals Group Ltd Hyundai Motor Reg S KIMTF Komatsu Ltd Mazda Motor Corp Nikon Corp ADR Nissan Motors ADR Renesas Electronics Corp Rio Tinto Plc ADR Sony Corp Suzuki Motor Corp ADR Trend Micro ADR