Union Pacific says it can fund the Norfolk Southern takeover itself, but Trump’s interest and the STB pause raise the political cost of the biggest railroad merger ever.

Paramount says blocking the deal would weaken competition, but five streaming subscribers, regulators, and state attorneys general are all pressing on the brakes.

A single sentence in SpaceX’s amended IPO filing suggests the company may use richly priced stock for massive acquisitions, including a possible Tesla deal.