Here's everything you must know before Friday's opening bell:
-U.S. stock futures pointed to a mixed start thanks to uncertainty over tensions in the Middle East and ahead of bank earnings.
-Trump issued an executive order to study the Postal Service, after he accused Amazon (AMZN) of taking advantage of the organization.
- Amazon is a holding in Jim Cramer's Action Alerts PLUS Charitable Trust Portfolio. Want to be alerted before Cramer buys or sells AMZN? Learn more now.
-Tesla (TSLA) was kicked off the group investigating a fatal crash in California violated the agreement that involved its Autopilot system