Bloomberg Air Canada dropped the most in seven months after the country’s largest airline said rising fuel costs would cause a key profit measure to fall by half in the first quarter. The forecast implies earnings before interest, taxes, depreciation and aircraft rent of C$250 million ($190 million) in the first quarter, trailing the C$366 million estimated by Fadi …

  Bloomberg Bombardier Inc. expects that business-jet sales could rebound as soon as the second half, getting a boost from U.S. demand as the economy gains traction. “We are confident that we are at the bottom or close to the bottom. Moving forward, it should be better,” Chief Executive Officer Alain Bellemare said in a telephone interview Thursday. “I don’t …

  Bloomberg Boeing Co. and Space Exploration Technologies Corp. won’t be certified this year to send astronauts to space and may be delayed into 2019 because of potential safety hazards, according to US investigators. Boeing parachute systems haven’t been adequately evaluated and SpaceX engine turbines have cracked during testing, the Government Accountability Office said in a report Thursday that outlined …