A Wall Street CEO who started out as a Walmart cashier shares his best careers advice

YouTube Kevin Turner is on the move. The former Microsoft chief operating officer is joining Citadel Securities as chief executive officer. He will also be the vice chairman of parent company Citadel, which manages $24 billion as of June. Prior to Microsoft he worked his way up at Walmart, starting as a cashier while in college and later becoming CIO responsible for many of the company's industry-setting technology initiatives. He later became CEO of Sam's Club. In a video by Citadel Securities...