Do You Believe in Super Angels?An early-stage investor by any name can be just as useful to funding your business.

Angel investors--affluent individuals who invest in early-stage companies--have long been a staple in the world of business investment. But a new breed of so-called "super angel" investors is emerging.

这段of investors, which includes individuals and early-stage funds, often forms groups to invest in a broader range of companies to mitigate risk. And their numbers are growing--up 40 percent from last year, according to a recent National Association of Seed and Venture Funds study.