"I don’t know how you can impeach somebody who’s done a great job," Trump said on Fox News Thursday morning.

The SEC blocked the approval of ETFs from ProShares, GraniteShares and Direxion.

“Passive investment is now growth-tilted, momentum chasing, biased toward popular-weighted indices. Why should you expect the best returns from that?” asks Research Affiliates’ Rob Arnott.

Healthcare and disease mitigation are the topics of most interest.

Strategists warn that more than just the central bank’s credibility would be hurt if the Fed were to put the brakes on monetary policy tightening.

A look at frameworks for deciding whether the advance in U.S. stocks is somehow doomed by the calendar.

Bull markets are rallies that go beyond 20 percent and are never interrupted by a 20 percent fall. In many corners of Wall Street, that means the S&P 500 rally that began in March 2009 is about to surpass all that went before.