Key TakeawaysJabil beat fourth-quarter profit and sales estimates on the soaring demand for artificial intelligence infrastructure products.The Apple supplier approved a $1 billion share repurchase.Jabil also announced a restructuring, including layoffs, which will cost $150 million to $200 million in fiscal 2025. Jabil (JBL) shares soared Thursday after the circuit board manufacturer posted better-than-expected results on artificial intelligence (AI) demand, authorized a stock buyback program, and launched ...