Here's everything you need to know before Tuesday's opening bell:
- Facebook (FB) reportedly scheduled a meeting to let employees ask questions about the Cambridge Analytica data privacy scandal.
- Oracle (ORCL) fell premarket after issuing disappointing fiscal fourth-quarter guidance on cloud-computing revenue.
- Weinstein Co. filed for bankruptcy protection on Monday.
- The two-day Fed meeting begins today.
- U.S. stock futures pointed to further losses.