New products, new markets, new investors, and new ways of doing things are the lifeblood of growth. And while each innovation carries potential risk, businesses that don't innovate will eventually diminish.

One of many strengths that I often see in successful women on Wall Street is a responsible balance between risk taking and risk mitigation - the ability to assess situations smartly and make the right medium-to-long-term decisions without being lured into reckless, short-term profit-taking.

Many women try to advance in their careers by having all the answers; by being the go-to person for information and advice; or by building expertise in a particular field. However, as they progress, gain broader responsibilities, and grow into leadership roles, they realize that their span of control is too vast to be able to know every answer.