This is what you need to know before the bell:
Political upheaval surrounding President Trump shows no sign of abating. Investors continue to take a cautious approach to risk sentiment
Clariant and Huntsman unveil a $20b 'merger of equals'. The deal will make the HuntsmanClariant one of the largest chemical companies in the world
UCB shares plunge the most in 30 years after problems with their Osteoporosis drug trial. The Belgian group, along with Amgen Inc. , say FDA approval for the experimental treatment is unlikely to be granted this year
Ford is replacing its CEO Mark Fields with Jim Hackett. Jim Hackett is currently responsible for Ford's work on autonomous vehicles
Protestors in Brazil call for the resignation of President Michel Temer. Temer has refused to step down despite a corruption scandal engulfing his presidency
This article was written by a staff member of TheStreet.