Here are the backstories behind the emblems and logos of the world's most popular automakers, from Acura to Volvo and every brand in between.

View the latest Merrill Lynch Depositor Inc. 6.0518% Index Plus Trust Series 2003-1 (IPB) stock price, news, historical charts, analyst ratings and financial information from WSJ.

What the sigma? Some know “sigma” as the 18th letter of the Greek alphabet but it’s also teen slang for a cool dude.