Stocks were falling Friday and the S&P 500 and Nasdaq Composite came off record highs after President Donald Trump said the U.S. would levy a 35% tariff on imports from Canada effective Aug. 1.These ...

The stock (AMC) rose in premarket trading and was up 8.5% at 12:14 p.m. Eastern time, putting it on pace for the biggest daily percentage gain since a 23.8% rise on May 27. That climb was boosted by a ...