Occidental lands $12 billion takeover of shale producer CrownRock

Occidental Petroleum agrees to buy CrownRock, a closely-held US shale oil producer, in a $12 billion cash-and-stock deal. This acquisition expands Occidental's presence in the largest US shale oilfield and makes it a bigger player in the US shale than Chevron and Hess combined. The deal is expected to close in the first quarter...