Bloomberg Amazon.com Inc. cut ties with Washington’s biggest lobbying firm and brought on new advisers following passage of the tax overhaul bill in 2017 and in the face of new challenges in the age of President Donald Trump. The shakeup occurred a week before Trump briefly sent Amazon’s stock tumbling with a Twitter attack on the world’s largest online retailer. …

Bloomberg Saudi Arabia and SoftBank Group Corp. signed a memorandum of understanding to build a $200 billion solar power development that’s exponentially larger than any other project. SoftBank founder Masay-oshi Son, known for backing ambitious endeavors with flair, unveiled the project in New York at a ceremony with Saudi crown prince Mohammed bin Salman. The kingdom is seeking to diversify …

Bloomberg US stocks fell, pushed lower by megacap tech shares as they extended losses following a sharp selloff Tuesday afternoon. The dollar rose while Treasuries rallied as data showed American economic growth beat estimates. Volatility spiked as the Nasdaq 100 Index retreated, with Netflix Inc. and Amazon.com Inc. among the biggest losers. The gauge is heading for its fifth straight …