Edited sentence: Despite the PS2's dominance, the advent of the Xbox and GameCube has hurt Sony's earnings due to all three rivals lowering their console prices (already below break-even point) in a price war, and because Sony Computer Entertainment became the subsidiary that accounts for over half of Sony's profits.Sony's heavy dependence on its gaming division has been closely watched by analysts; SCE had a loss when the Xbox finally outsold the PS2 in the fourth quarter of 2004