
Tesla founder Elon Musk has taken cryptocurrency on a rollercoaster ride over the past week, sending Bitcoin's value down and that of "joke" currency Dogecoin up. Major exchange Coinbase says it will start trading Dogecoin soon, following pressure from its rivals.
Meanwhile, the travel industry is looking forward to a rebound this summer as lockdowns across the world ease. It's a similar situation in hospitality, with US businesses offering pay rises and bonuses to try to attract workers ahead of a busier summer season.
Finally, the pipeline operator Colonial Pipeline has paid a huge sum to cyberattackers to regain control of its computer networks and data. While it solved the problem and restored petrol supplies, it could encourage other hackers to use ransomware to take US corporations and organisations hostage.