Nintendo made an operating loss of 9.47 billion yen ($92.7 million) in its first quarter of 2014, with the launch of Mario Kart 8 sparking a bump in Wii U hardware sales that wasnt big enough to improve the companys financial performance. Wii U sales were 510,000 between April and June, a year-on-year jump of 219 percent, as Mario Kart 8 itself moved 2.82 million copies — over half of all Wii U titles for the quarter, and enough to make it the consoles third best-selling game of all time. This means that over 80 percent of people who bought Mario Kart 8 were existing Wii U owners before this quarter, so it hasnt yet convinced many newcomers to pick up the console. Nintendo came out of Junes E3 conference with a lot of goodwill;