Estimated value of ExxonMobil+Pioneer is $411 billion. This is 70% higher than Chevron, and roughly 41% higher than Chevron+Hess. And more than twice as high as other oil and gas majors.

Exxon's profits will fall in the fourth quarter. The oil company battled several headwinds in the period. That's likely a temporary dip for the oil giant. However, the fourth quarter proved more ...