'Wall Street just lost its security blanket': Here's what experts are saying about Gary Cohn's exit from the White House

Reports that Gary Cohn, the top White House economic adviser, would depart the Trump administration sparked immediate selling in global equity markets.
Experts across Wall Street have weighed in with their thoughts.
Wall Street got another reminder of how volatile the White House is amid reports on Tuesday evening that Gary Cohn would step down as President Donald Trump's top economic adviser.
The reaction was swift and strong, as S&P 500 futures immediately tumbled in after-hours trading. T