In advance of its annual investor day, Nu Skin Enterprises, Inc. revealed its 2011 financial guidance, anticipating another record year with revenue increasing 5-7% to $1.60 to $1.63 billion. Earnings are expected to rise 10-15% to $2.25 to $2.35, while operating margin is projected to increase approximately 30 to 50 basis points. The company expects currency will positively impact revenue 1%. “We are anticipating another strong year due to our ability to innovate across product platfo...