Stocks climbed as Treasuries halted a selloff that drove 10-year yields near 4.5%, with traders keeping a close eye on news around President-elect Donald Trump’s administration.

The budget carrier’s pivot to ultralow fares brought it success but competition, rising costs and a failed merger bid hurt ...

Spirit Airlines, the ultra-low-cost carrier recognized for its budget-friendly offerings, has filed for Chapter 11 bankruptcy protection as it seeks to navigate mounting financial pressures.