TTM20142013201220112010
Gross margin43.6%50.8%50.6%53.0%53.9%52.5%
Gross margin growth (bps)-70315-242-84136-474
Operating margin-12.8%-4.5%-4.6%0.2%-4.3%-9.4%
Operating margin growth (bps)-8399-478441514-1,376
Net profit margin-18.4%-11.3%-16.8%-6.0%-7.2%-16.2%
Net profit margin growth (bps)-858547-1,073114901-1,639