With two different risky assets, an investor can minimize total portfolio volatility through the combination of investments with low to negative correlation. In a higher yield environment, 60/40 can ...

Dear Extra Credit: Not so fast. Steve Shapiro's data on homework completed and quarterly grades [Extra Credit, Fairfax Extra, March 22] don't prove that doing homework results in better grades. The ...

Hassan Vally does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...