What Stocks to get for Decemeber????

I need help choosing four company to invest alot of money in a vitual stock website. This is only for December and the money isn't real. Please do not say something stupid. I just want some advice from an experienced person. I was thinking about Best Buy and Target, but I want something that is only meant for December. For example, during October, I invest all my money in Hershey because of halloween