US equity futures gain after the S&P 500 snapped a seven-day rally. Gold tops $4,000 for the first time as a US government shutdown adds momentum. Elon Musk's xAI is said to be raising more financing than initially planned as Nvidia and others boost its funding round. European Union officials see new trade demands from the US as potentially undercutting a recent agreement struck by President Trump. BlackRock's Wei Li discusses her risk-on stance in equities. “Bloomberg Brief” delivers the