(Reuters) -UnitedHealth Group said on Monday that hackers stole health and personal data of potentially a substantial proportion of Americans from its systems in February, as the largest U.S. health insurer scrambles to contain the damage. The intrusion at its Change Healthcare unit, which processes about 50% of U.S. medical claims, was one of the worst hacks to hit American...

LONDON, April 23 (Reuters) - Investors boosted their exposure to Brent as the conflict between Iran and Israel escalated but there was selling across the rest of the petroleum complex amid doubts about the sustainability of higher prices. Hedge funds and other money managers sold the equivalent of 23 million barrels in the six most important petroleum futures and options...

SANTIAGO, April 22 (Reuters) - Miners Rio Tinto and Eramet as well as battery maker LG Energy were among 30 companies that submitted proposals to develop lithium extraction technology for a Chilean salt flat in early stages of exploration, state-run mining body ENAMI said on Monday. ENAMI last month put out a call for companies to present technology to do...

(Reuters) - Disney Entertainment and ESPN ( DIS ) Chief Technology Officer Aaron LaBerge would step down from the position and join gaming and sports media firm Penn Entertainment ( PENN ), according to a memo seen by Reuters on Monday. LaBerge, who has spent more than 20 years at Walt Disney Co ( DIS ), will assume a similar...