FB) and Knight Capital Group ( KCG). I just can't get with that. I fall more on the side of don't be bitter, don't blame external forces and learn from both your mistakes and history. When Enron fell apart, we learned a lesson. Don't keep your 401(k) in one stock, even if it's the company you work for. Of course, this was a tough lesson for many Enron employees. While I do sympathize, that's life. Live and learn, right?