Michelle Fox is a web producer for "Mad Money" and "Fast Money." Prior to joining CNBC.com, she spent nearly 20 years on the broadcast side of the business, including an earlier stint at CNBC. Fox has also worked at MSNBC, Court TV and WCBS-TV in New York City, where she earned an Emmy award for anticipated breaking news coverage.
If they don't, Cramer thinks they could see a generation of underperformance.
To illustrate his point, the "Mad Money" host highlights two cautionary tales.