Warren Buffett’s parting gift to Berkshire Hathaway: A $2 billion Iran oil windfall

If you need any further evidence of the wisdom of holding some energy stocks in your 401(k) and other retirement accounts, look at Berkshire Hathaway.

​If you need any further evidence of the wisdom of holding some energy stocks in your 401(k) and other retirement accounts, look at Berkshire Hathaway.