For the safety of both the players-already in their skates-and the flooring, it was clear that porcelain could not be used on the walkway, so the design team researched other options. Carpet was ...

Stock options listed on U.S. stock exchanges generally have a notional amount of 100 shares of stock. Stock options are also traded in the over the counter (OTC) market with variable notional amounts.

Michelle Singletary writes the nationally syndicated personal finance column “The Color of Money,” which appears in The Washington Post on Wednesdays and Sundays. If you have a personal ...