Shake Shack Shares Sizzle in Stock Market Debut

Scott Olson/Getty Images NEW YORK -- Investors seem to be craving burgers and crinkle-cut fries. Shares of Shake Shack, a burger chain that started as a New York City hot dog cart, more than doubled in the...

Twitter Quitters Dog IPO

Richard Drew/AP SAN FRANCISCO -- Retired schoolteacher Donald Hovasse signed up for Twitter about a year ago at the urging of his daughter. He lost interest after trying the service a few times and finding lo...