Finance

but it has taken off recently as the Trump administration has pursued policies like attacks on the Federal Reserve’s independence and threats of a new trade war with Europe that are worrying investors anew.

“It’s the most important antitrust case of the 21st century,” said Bill Baer, who was an assistant attorney general for antitrust in the Obama administration. “And, of course, the battle is not over, because there will be appeals and appeals and appeals.”