John Melloy was the executive producer of CNBC's "Fast Money" and the "Fast Money Halftime Report" until October 2013. Before returning to CNBC, he was chief executive officer of StockTwits.com, the leading social networking platform for stocks. He began his career at Bloomberg News in 1999 and rose to team leader of U.S. stock market coverage there before leaving for CNBC in 2006 to launch "Fast Money."
The S&P 500's close below its 50-day moving average could signify further weakness over the next few weeks, even months, history shows.
The US dollar index dropped suddenly as President Trump's comments to the Wall Street Journal unnerved traders.
Using Kensho, CNBC PRO found which ETFs trade into the green when the VIX rises by 5 points in one month.
A look at securities which have a lot riding on Trump's success shows investors have doubts.
Using Kensho, a hedge fund analytics tool, CNBC Pro searched for how securities perform after a weak jobs report.
Using hedge fund analytics tool Kensho, we found defense stocks topped the S&P 500 a week following big developments in the Syrian war.
Using Kensho, we found out what typically happens to the S&P 500 during years when its price-earnings ratio compresses.
When the Fed worries about 'valuation' in its minutes, stocks struggle in the year following, history shows.
The ROBO Global Robotics and Automation Index ETF is up 16 percent since the election despite Trump's efforts to support manufacturing jobs.
Brian Moynihan identified areas where lending would expand if Washington rolls back regulations.