5. Nintendo

Lost: $461.2 million for the 2011 fiscal year

Nintendo once ruled the game console market with its Nintendo Wii but are now facing a hard time due to competition from Microsoft and Sony. Both these companies slashed their prices to beat Nintendo Wii as a result of which wii prices had to be brought down. As a result the company faced a loss of $461.2 million for the 2011 fiscal year. Smartphone based gaming is another competitor that Nintendo has to face.