Motley Fool co-founder David Gardner has racked up big returns by bucking the conventional wisdom. Rule Breakers Senior Vice-President of Strategy Brian Richards talks with David about his new book, Rule Breaker Investing: How to Build the Best Stocks of the Future and Build Lasting Wealth. Topics include:

(00:35) Rule Breaking mindset

(02:59) Traits of a Rule Breaker stock

(07:12) Valuation

(10:27) Lessons from Yahoo!

(17:55) IPOs

(22:02) Investing through dark clouds

(25:46) Building a Rule Breaker portfolio

Host: Brian Richards Guest: David Gardner Producer: Bart Shannon, Mac Greer