A large and growing body of academic research suggests there are market anomalies that can be exploited to beat a strict index approach. Some of that research has been recognized with Nobels in economic science - William F. Sharpe in 1990 and Eugene F. Fama in 2013.

As a global disrupter, Uber is no stranger to conflict, and its instinct has always been pugilistic.

A major way that losses are generated in real estate ventures is through depreciation, which is supposed to reflect the way that assets lose value over time. But a well-maintained building typically gains value.

Almost everyone agrees that corporate tax rates need to be cut because of global competition. Companies should not be able to stash earnings overseas tax-free.

#BlackLivesMatter was born online but now lives in street actions, in conversations in our homes, and in the dignity swelling in our hearts. That is the power of the open Internet, and it is why we must do everything we can to protect black voices. Our lives depend on it.

Amazon is holding its own because the service it provides - offering millions of books and other items quickly and easily from home at any hour of the day or night - is a real one, and one that was impossible before there was an Internet.

We must safely secure our border by investing in more law enforcement and technology, and receiving cooperation from the Mexican government.

Every brand has something on the Internet, whether it's video or doing something on social media. It's just another form that brands are starting to realize they have to be a part of.