Transportation

Companies that handle cargo at West Coast seaports say they will hire far fewer workers this weekend, the latest escalation in a labor dispute with dockworkers that threatens to shut down ports vital to U.S. trade with Asia.

Political campaign mailings and an increase in holiday package deliveries helped boost U.S. Postal Service revenue at the end of the year.

Shares of some top airlines companies are mixed at 1 p.m.: Delta Air fell $.14 or .3 percent, to $46.00.

Shares of some top airlines companies are down at 10 a.m.: Delta Air fell $.53 or 1.1 percent, to $46.43.

The deadly crash of a TransAsia plane into a river in Taiwan is again focusing the world's attention on the safety challenges facing fast-growing Asian airlines.

Shares of some top airlines companies were up at the close of trading: Delta Air rose $.95 or 2.1 percent, to $46.96.

Employers could lock out West Coast dockworkers in as few as five days if the two sides do not reach a new contract.

President Vladimir Putin has publicly criticized his government for allowing a business dispute to scrap commuter trains in provincial Russia.

Chinese and Argentine leaders have signed agreements to collaborate on two new nuclear plants, as Beijing is strengthening its relations with the South American country.

Shares of some top airlines companies are up at 10 a.m.: Delta Air rose $.96 or 2.1 percent, to $46.97.

The nation's new postmaster general says the Postal Service is looking beyond its regular mail and package delivery for new sources of revenue.

Gov. Charlie Baker said Wednesday that the state will let ride-hailing services like Uber and Lyft keep operating in Massachusetts while the administration works to draft new rules to ensure the safety of drivers and riders.

Shares of some top airlines companies were down at the close of trading: Delta Air fell $.50 or 1.1 percent, to $46.01.

Shares of some top airlines companies are down at 1 p.m.: Delta Air fell $1.26 or 2.7 percent, to $46.05.

Shares of some top airlines companies are down at 10 a.m.: Delta Air fell $2.44 or 5.2 percent, to $44.87.

Passengers on Delta Air Lines Monday afternoon are unable to check in for their flights because of a malfunction with the airline's website, mobile app and airport kiosks.

Overnight snowfall left a slippery, traffic-snarling veil over the New York metropolitan region Monday that caused at least one death while upstate areas dug out from a blanket of snow close to a foot deep in spots.

Rush-hour commuters were stranded Monday on a packed subway train that lost power for 2 1/2 hours before it could be towed to a station, and five other trains were stuck behind it.

For a second week, Connecticut took a winter walloping that led to school closures and treacherous driving conditions for many commuters who faced both snow and ice on the roads Monday.

Shares of some top airlines companies were down at the close of trading: Delta Air fell $2.90 or 5.8 percent, to $47.31.