U.S. energy firms this week added oil and natural gas rigs for the first time in 10 weeks, due to the biggest weekly increase in gas rigs since October 2016, energy services firm Baker Hughes Co said in its closely followed report on Friday.
A fraud in northern China that used sophisticated "deepfake" technology to convince a man to transfer money to a supposed friend has sparked concern about the potential of artificial intelligence (AI) techniques to aid financial crimes.
U.S. crypto firm Ripple has bought Switzerland-based crypto custody firm Metaco for $250 million, in its first major acquisition, Ripple said on Wednesday.
Berkshire Hathaway Inc on Monday disclosed it has begun investing in Capital One Financial Corp while exiting investments in four other stocks, as the company run by Warren Buffett cut back its exposure to equities.