US equity futures rise as big tech earnings from Microsoft and Meta delivered on optimism around the AI boom. President Trump sets the tariff rate for South Korea and India while going ahead with a 50% levy on copper imports, but exempting refined metals. Jane Foley of Rabobank says we could see a washout of dollar positioning this week. Julian Emanuel of Evercore ISI cites the copper tariff announcement as the main driver of volatility, rather than the Fed's rate decision. “Bloomberg Brief”