How The Order Book Works

Buying a stock on an online trading platform is a bit different than paying for a gallon of milk at the store. Traders who expect to click and forget when placing orders with their broker could see surprising execution prices, unfilled or partially-filled orders or long delays before their order is executed.

Ulta Punished for Modest Earnings Beat

Ulta Beauty (ULTA) stock plummeted more than 8 percent on Friday morning after the company reported second-quarter earnings and revenue that topped consensus analyst expectations. Ulta also raised its full-year guidance, but investors were hoping for something more than a modest beat from the cosmetics retailer.