Summary: Here's everything you need to know before Monday's opening bell: Sanofi reached an agreement to buy Hemophilia drugmaker Bioverativ Billionaires Carl Icahn and Darwin Deason teamed up to encourage a sale of Xerox . Amazon Go, a cashier-free convenience store concept, opens its doors today. Investors expect earnings from Halliburton , Netflix and TD Ameritrade . U.S. stock futures pointed lower as investors weigh the impact of a federal government shutdown. Watch More with TheStreet: ADT CEO: Here's How We'll Compete With Nest and Amazon Women Control Over 50% of Household Wealth, Says Schwab's Liz Ann Sonders The World Is Going Cashless - Gerald Celente 60 Seconds: Here's How Your Paycheck Will Change Thanks to the New Tax Law Want more of the biggest morning headlines? Check out the Morning Jolt!
