I think the strategy of buying a diversified portfolio of large, boring companies doing core things that everyone needs is a pretty safe bet. If you're investi

I think the strategy of buying a diversified portfolio of large, boring companies doing core things that everyone needs is a pretty safe bet. If you're investing, I think that you should have a gambling account too, because it's fun and keeps you interested. It should be far less than 10% of your portfolio, and you should recognize that it's play money instead of real savings.