National Business

DAVOS, Switzerland — Teenage climate activist Greta Thunberg has brushed off criticism and mockery from the U.S. Treasury chief, saying Friday his comments have “of course no effect” on her and fellow campaigners.

MONTREAL — Air Canada says there were some delays last night and early this morning for its international flights. The airline says the delays were due to a server issue affecting its network.

MONTREAL — A deadly new virus that emerged in China is raising concerns beyond the public health sphere as experts warn about the potential economic cost of a global outbreak that is already drawing comparisons to the SARS epidemic 17 years ago.

MONTREAL — The Cirque du Soleil is cancelling all performances in Hangzhou, China to ward off the potential spreading of the coronavirus.

NEW YORK — The son of former U.S. Rep. Christopher Collins was spared a prison sentence Thursday after pleading guilty in an insider trading conspiracy with his father. U.S.

LOS ANGELES — Want to find a legal marijuana shop in California? Grab your smartphone.

MIAMI — President Donald Trump will hold a signing ceremony for the U.S.-Mexico-Canada trade agreement on Wednesday, according to the White House.

SEATTLE — A shootout in downtown Seattle that left a woman dead and a 9-year-old boy injured was the third violent incident this week in a part of the city long known for rampant drug use and street unrest.

DALLAS — The three big U.S.

WASHINGTON — The Trump administration is making a concession on its proposed minimum fuel economy requirement for new vehicles, but environmental groups and a key Democratic senator complain it does not go far enough, and still falls well below the r