Leanna Archer is perhaps the most ambitious little 13-year-old in the United States right now: She owns her own hair care company called Leanna, Inc. and she also works as a motivational speaker. Today she will also become the youngest person to ever ring the opening bell at the New York Stock Exchange. Does this young entrepreneur have any motivational words for panicking investors? "Stay positive. Be optimistic." Easy for a 13-year-old to say! [Daily News]