It estimated revenue of $3.95 billion this year, up from its previous $3.90 billion forecast, and in line with analysts' average estimates, according to Thomson Reuters I/B/E/S. The company's operating margins rose to 29 percent from 23 percent a year earlier, which Janco partners analyst Mike Hickey said is evidence that its strategy of focusing on its highest performing titles was succeeding. Last quarter, Activision Blizzard said it was shutting down the Guitar Hero video game franchise, as well as its True Crime series, which sent its shares down and worried analysts and investors that the company's portfolio may be stretched too thin. Monday's results as well as the higher outlook may have soothed some investor concerns, Hickey said. Why clutter your margins with less compelling properties? he said. Sometimes when you want to drive margins, you focus on your best intellectual property.