Here's everything you need to know before Monday's opening bell:
- President Trump is expected to announce his Supreme Court pick.
- Xiaomi shares slipped following its debut in Hong Kong.
- Groupon (GRPN) surged on reports it is looking for a buyer.
- Facebook's (FB) Mark Zuckerberg overtook Warren Buffett to become the world's third richest person.
- U.S. stock futures rose.