Tykač is among a handful of Czech billionaires who have expanded far beyond their home market and gained an international profile. Daniel Křetínský, whose takeover of Royal Mail was approved by the UK ...

Chinese startup DeepSeek’s eponymous AI assistant rocketed to the top of Apple Inc.’s iPhone download charts, stirring doubts in Silicon Valley about the strength of America’s lead in AI. The app’s ...

Diversified Energy (OTCQX:DEC) is in advanced talks to buy private-equity-owned Maverick Natural Resources in what would be its largest acquisition ever, The Wall Street Journal reported Sunday. A ...