Tech billionaires' cage match? Musk throws down the gauntlet and Zuckerberg accepts challenge

Kenya's new tax package angers some backers of president who once vowed to reduce cost of living

Home sales inch up in May amid record-low inventory and biggest annual drop in prices since 2011

Google backs creation of cybersecurity clinics with $20 million donation

Stock market today: Wall Street follows global markets lower after more rate hikes

German rail union threatens open-ended strikes over pay dispute

Weekly US applications for unemployment aid remain relatively elevated

Stock market today: Wall Street futures follow global shares lower on rate hikes galore

Weekly US applications for unemployment aid remain elevated

Lean green flying machines take wing in Paris, heralding transport revolution

Swiss central bank urges review of 'too big to fail' bank safeguards after Credit Suisse debacle

Foes of Myanmar's military regime applaud new US sanctions, but want action to block gas revenues