We basically experienced four years of market action over the last four months, and a lot of investors are struggling with the divergence between a failing economy and rising financial markets.

Critics warn that overwriting may have become too popular for its own good.

Robinhood's DARTs--daily average revenue trades--hit 4.31 million in June, about four times that of competitor E*Trade.

The TLT fund’s pattern seems to say ‘yes.’

In late June, DFA filed to launch its own exchange-traded funds -- meaning for the first time ever its strategies will be available to anyone with a brokerage account.