The uncertainty is just too much.

Any time trade rhetoric heats up, stocks tend to decline amid fears of a trade war.

Only when we have substantive policy surrounding trade will investors be able to properly gauge its impact on stocks, according to Shawn Cruz, manager, trading strategy, at TD Ameritrade.

Want exclusive investing insight from Jim Cramer? Get 24/7 access to Jim's charitable trust portfolio with a free trial to Action Alerts PLUS!

More from Video

Rewind: Remember When Jim Cramer Warned Nvidia 'Is Going to Miss the Quarter?'

Rewind: Remember When Jim Cramer Warned Nvidia 'Is Going to Miss the Quarter?'

Jim Cramer Reveals His First Step When Picking a Stock

Jim Cramer Reveals His First Step When Picking a Stock

Why Does the Fed Have Inflation Targets?

Why Does the Fed Have Inflation Targets?

Nvidia is Building the Future. How Did It Get There?

Nvidia is Building the Future. How Did It Get There?

Why End of 2019 Could Loom as Scary For the Economy

Why End of 2019 Could Loom as Scary For the Economy