Today, Boeing released their CEO, David Muilenburg, which I understand. But the truth of the matter is that the problems are much deeper than his leadership.
I was cleaning my office today and found an old article written by Jonathan Clements in his WSJ column - Your Money Matters.
The article was aptly titled "Markets May Change, Rules for Success Don't". It's a quick read and well worth it. It a nice summary of tactics for investing.