Stocks fell and oil rose on concern the war in the Middle East is intensifying ahead of President Donald Trump's deadline for Iran to agree to a ceasefire deal.

Fears that an escalation of the conflict could heighten an energy squeeze and endanger the global economy curbed risk appetite, with the S&P 500 halting a four-day advance. Jim Caron, Morgan Stanley Investment Management Portfolio Solutions Group CIO joins to discuss what investors should do in this environment.

Bloomberg videos, provided by MT Newswires