The Motley Fool: Being Stubborn Can Cost You

If you don't have a good handle on Barrick Gold's financial strength and competitive position, or perhaps any compelling reason to hang on, consider selling. Today, I'm one of the world's top casual-dining restaurant companies, with more than 1,600 owned, operated or franchised locations. For a number of years, I owned the Romano's Macaroni Grill and On the Border Mexican Grill & Cantina chains. Video-game giant Activision Blizzard (Nasdaq: ATVI) badly underperformed the S&P 500 in October, amid a weak response to its new "Destiny" game - which still racked up hundreds of millions of dollars in sales. [...] Activision Blizzard, known for many of the all-time, top-selling PC games ("World of Warcraft," "Starcraft" and "Diablo III") still has one of video gaming's most enduring franchises in "Call of Duty." Advanced Warfare, debuted Nov.