Investors must be careful not to fall for marketing gimmicks that can result in the formation of a portfolio made of less than ideal holdings.

Two of the exchange-traded funds will focus on tech.

"It’s not impossible that if oil markets hold here, we could see a national average of $2.99 around Christmas," said Gasbuddy's Patrick De Haan.

McDonald's is making an uncharacteristic change to its menu.

New study could pose a big challenge for bottlers