Summary: Here's everything you need to know before Wednesday's opening bell: Cisco's fiscal second-quarter earnings topped forecasts and its top-line grew. Warren Buffett's Berkshire Hathaway lifted its stake in Apple by 23% since the end of September. All McDonald's Happy Meals will have 600 calories or less. Investors will analyze earnings from Shake Shack and Waste Management U.S. stock futures were on the rise, pointing toward the 5th straight day of gains. Subscribe to TheStreet on Youtube and enjoy these Editor Picks!
