Despite repeated losses, AMD says it managed to both increase its gross margin and win back market share from Intel last quarter. Gross margin for the second quarter was 34%, up three percentage points from the first quarter. On the market share side of things, research firm iSuppli tells us AMD stabilized its market share with 11.4% of worldwide microprocessor sales in the second quarter. In the first quarter, by contrast, AMD accounted for 10.9% of sales. Finally, AMD says initial sales of Radeon HD 2000 graphics processors have been "strong" in the distribution channel, although it doesn't cite specific numbers.