I GPU-mined some BTC in 2011 and was a 100% HODLer until yesterday when I sold everything, including the forked BCH. Now trying to figure out how to invest the

I GPU-mined some BTC in 2011 and was a 100% HODLer until yesterday when I sold everything, including the forked BCH. Now trying to figure out how to invest the proceeds into stocks. Somehow I doubt I will be able to get another 1000000% RoI over 6 years.