Getty Images Aetna chairman and CEO Mark Bertolini speaks during the Fortune Global Forum on November 3, 2015 in San Francisco, California. Health insurer Aetna, which has agreed to be bought by CVS Health, reported a better-than-expected first-quarter profit on Tuesday, largely due to lower medical costs. U.S. drugstore operator …

Chris Ratcliffe | Bloomberg | Getty Images A man is seen as a silhouette as he checks a mobile device whilst standing against an illuminated wall bearing Telegram’s logo. Iran’s judiciary court has blocked the use of messaging app Telegram, according to state media. The ban, effective as of Monday, …

Aris Messinis | AFP | Getty Images An EU and a Greek flag wave in front of the ancient temple of Parthenon atop the Acropolis hill in Athens. Not so long ago, at the height of the so-called euro zone crisis, the phrase “Greek debt” graced headlines and news bulletins …

Brendon Thorne | Bloomberg | Getty Images Pedestrians walk past the Reserve Bank of Australia (RBA) headquarters in Sydney, Australia. Australia’s central bank left its cash rate at 1.5 percent on Tuesday, a widely expected decision given policy makers have said they see no strong case for a chance in …

Saul Loeb | AFP | Getty Images Special counsel, Robert Mueller U.S. special counsel Robert Mueller had at least four dozen questions he wished to ask President Donald Trump about his ties to Russia and possible obstruction as part of his ongoing investigation into Moscow’s interference into the 2016 presidential …