| | U.S. retail investors bought stocks during Thursday's selloff, even as many of their favorite names have been battered by worries over geopolitical strife and a hawkish Federal Reserve that looks set to keep volatility elevated. | | | U.S chipmaker Nvidia Corp said on Friday it was investigating a potential cyberattack, following a news report that said the attack may have had taken parts of its business offline for two days. | | | Speculators cut their net long U.S. dollar positions in the latest week, according to calculations by Reuters and U.S. Commodity Futures Trading Commission data released on Friday. | | | U.S. stocks are drawing buyers after a recent tumble, but some investors believe buying the dip this time may be a far riskier bet than in the past. | | | Oil companies led by Marathon Petroleum and the United Steelworkers union (USW) agreed to a new national contract on Friday for 30,000 U.S. workers in refineries, chemical plants, and pipelines, said sources familiar with the agreement. | | | U.S. credit markets have been churning with more volatility spurred by Russia's invasion of Ukraine, on top of uncertainty around monetary policy shifts, hurting investor returns and complicating borrowers' ability to access financing. | | | British Airways said on Friday its website and app was suffering from a technical issue, with no suggestion that it was a cyber attack, after passengers complained on social media of delayed flights and no information at airports. | | | Vale SA on Friday will sign an agreement with local authorities requiring the Brazilian miner to pay 236.7 million reais ($46 million) for failing to meet a legal deadline to decommission its tailings dams in the state of Minas Gerais, a document seen by Reuters showed. | | | Cybersecurity firm Avast Plc on Friday warned of cyber criminals seeking to take advantage of the chaos surrounding Russia's invasion of Ukraine to make quick money, terming it a threat. | | | Qatar Airways has asked a UK court to reinstate an order for 50 Airbus A321neo passenger jets that the European planemaker revoked as part of a bitter dispute over larger A350s, a court filing showed on Friday. | | | | |