Activision Blizzard (ATVI) saw its IBD SmartSelect Composite Rating rise to 96 Tuesday, up from 94 the day before. The new score means the company is now outperforming 96% of all stocks in terms of the most important fundamental and technical stock-picking criteria. The top-performing stocks tend to have a 95 or better grade as they start a significant move so be sure to keep that in mind when looking for the best stocks to buy and watch. Activision Blizzard is currently forming a flat base, with an 87.83 buy point. See if the stock can break out in volume at least 40% higher than normal.