Bloomberg Plug Power Inc., a fuel-cell company that’s struggled to turn a profit, surged in value to nearly $25 billion after striking a deal with a South Korean conglomerate to promote hydrogen technology in Asia. Shares in the Latham, New York, company jumped more than 50%, when SK Group agreed to pay $1.5 billion for a 10% stake in it. …

Bloomberg Oil posted the biggest weekly gain since late September as Saudi Arabia’s plan to slice output spurred a surge in physical crude buying. Futures in New York advanced $3.72 this week and Brent oil topped $55 a barrel for the first time since February. Saudi Arabia’s pledge earlier this week to cut production by 1 million barrels a day …

JAKARTA / WAM/Reuters A Sriwijaya Air plane with 62 people on board lost contact after taking off from Indonesia’s capital Jakarta on a domestic flight on Saturday and rescuers said suspected debris had been found in the sea off the city, Reuters reported. The Boeing 737-500, en route to Pontianak in West Kalimantan, disappeared from radar screens after taking off …