mrbcharlton (25)in #bertram • yesterdayBertram Charlton - The Complex Relationship Between Index FundsWhat is a stock index? The article points out that even before Modern Portfolio Theory (MPT) took off, indices were…mrbcharlton (25)in #bertram • 2 days agoBertram Charlton: Pioneering Investments in Emerging TechnologiesIntroduction to the Mentor of Innovatech Investment Education Foundation: Bertram Charlton was born on October 28…