It's a busy week of politics in the final week of September. Republicans' final push for healthcare in the Senate and tax reform details should keep markets on their toes.
IBM wants to know if blockchain tech can be used to track food supply chains and improve safety.
Cramer examines how the secondaries are getting some primary attention and also observes that the market is becoming more discerning.
Major U.S. stock indices take a hit.
Jim Cramer says we must watch the 'selfie generation' because it's changing the ways companies do business.