Aside from big earnings at big tech companies, we have two main themes this week: First, central banks have goosed the markets (again). And second, it's always darkest before the dawn.
Diversification is absolutely critical to successful long-term investing. Both "The Blue Harbinger 15" and "The Lazy Person Portfolio" are very well diversified.
When asked how the financial crisis happened, Warren Buffett once explained there are innovators, imitators and idiots. He was talking about the natural progression of investments, and the herd mentality
