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Update 4:23. Adds closing price on Potbelly and more on IPO market this year.

Investors were hungry for some Chicago subs on Friday.

Toyota Corolla struggles in new crash test

The redesigned Toyota Corolla struggled in a new crash test conducted by the Insurance Institute for Highway Safety, the group said this week.

Occupy Wall Street's prepaid card for the 99%

Move over Justin Bieber and Suze Orman. The corporate greed-fighting movement, Occupy Wall Street, is now joining in on the prepaid card craze with plans to launch the Occupy Card.

Tesla CEO Elon Musk explains fiery Model S crash

Tesla CEO Elon Musk took to his blog Friday to defuse a fiery situation: shocking online images from an accident involving its Model S car.

VIDEO: 78 year old woman gives would be robber taste of his own medicine

A Florida man thought an elderly woman at a bus stop was an easy target, but soon found out that he picked the wrong person to rob.

Will Tesla bounce back after tough week?

Tesla's shares were slightly higher in early trading Friday after a three-day slide that shaved more than 10% of the value off the high-flying stock.

5 children, 6 others injured in Baltimore-area school bus crash

Eleven people -- including five children -- were injured in a school bus crash in the Baltimore area Friday morning, police said.

Frail Muhammad Ali appears at event to honor humanitarian work

Appearing very frail, boxing legend Muhammad Ali made a rare public appearance Thursday at an event in his hometown to pay homage to others for their humanitarian work.

Helping disabled vets rebuild their lives

(CNN) -- As he watched wounded troops being brought inside the hospital on stretchers, Michael Conklin couldn't believe what he was seeing.

Launching Obamacare enrollment sites was an 'impossible task'

Obamacare's new online healthcare exchanges got off to a bad start this week, as an onslaught of traffic to enrollment websites meant many people were unable to sign up.