Stocks traded higher Tuesday following a deep selloff in shares of technology companies after China’s DeepSeek rattled markets with a cheaper artificial-intelligence model.These stocks were making moves:Nvidia rose 6.

The airline unveiled the lounge plans last year as part of its larger JetForward effort to boost operating profits by $800 to $900 million by 2027. New premium offerings, including the lounges, are estimated to bring in a roughly $400 million lift.

JetBlue said it was expecting a weaker first-quarter while executives said they believed the carrier’s turnaround plan would eventually deliver long-term profitability.

Shares of JetBlue tumbled Tuesday morning after the airline's downbeat outlook for the first quarter and upcoming fiscal year overshadowed a better fourth quarter than analysts had expected.

JetBlue announced a three-day winter sale on Tuesday, with one-way fares out of Boston for as low as $49. The deal, which ends Jan. 30, is valid for trips taken between Feb. 3 and April 9 and excludes Friday and Sunday travel.

JetBlue Airways forecast higher costs and unit revenue below analysts' expectations for the first quarter on Tuesday, sending the New York-based carrier's shares down 14% in morning trade.

"We're continually looking for ways to make it easier to book a JetBlue flight on our website and mobile app."

Other airlines like Spirit and Frontier have also introduced similar premium bundles with benefits like guaranteed middle seats and early boarding. JetBlue's EvenMore premium ticket bundle is officially on sale and the revamped service will be fully implemented across the airline's network on Tuesday.

JetBlue’s fourth-quarter results beat expectations, but the outlook for a key revenue metric was below forecasts.

JetBlue announced this week that it will now accept Venmo payments, a first for the airline industry. The new arrangement has many advantages but also a few uncertainties, especially for travelers who live for their credit card’s bonus points.

JetBlue launches service to Orlando, Fort Myers, and Fort Lauderdale in Florida from Manchester-Boston Regional Airport in Manchester, N.H.