PE HUB First Read

Ransomware arrives targeting Mac users.

Raymond Tomlinson, the godfather of email, died Saturday morning of a suspected heart attack.

Samsung says it has no plans to buy Tidal.

Twitter’s editorial director, Karen Wickre, is leaving the company after more than four years.

Peyton Manning is retiring after 18 years.

R.I.P. Nancy Reagan

Six things that happen to the human body after a year in space.

Did private equity strip Caesars before it went bankrupt?

Photo: Former U.S. President Ronald Reagan and his wife Nancy listen to former Soviet leader Mikhail Gorbachev speak during Gorbachev’s departure ceremony at the White House in Washington in this December 10, 1987 file photo. REUTERS/Gary Hershorn