In a rare moment of regret on ABC's Shark Tank, Kevin O'Leary watched a potential goldmine slip through his fingers.

Kevin O'Leary, famously known as "Mr. Wonderful" from Shark Tank, once shared details about his membership in the Chevaliers du Tastevin, an exclusive wine connoisseurs' fraternity, during a ...

As soon as Andrew McMurray, chief consultant and representative of Zipz Wine, began presenting his company's line of single-serving wines to the "Shark Tank" investors, they started comparing him ...