In its first quarter earnings, Nintendo said worldwide sales for its handheld gaming console, 3DS, slipped 7 percent on-year to 940,000 units. Software for the 3DS also fell 7 percent on-year to 8.47 million units. More stark was the massive drop in quarterly global sales of Wii U hardware, which fell 53 percent on-year to just 220,000 units, while...