Equities rise with tech boost and yields fall with oil prices

NEW YORK/LONDON, Aug 25 : MSCI's global equities gauge rose on Tuesday as investors awaited economic data and Nvidia's financial results, while bond yields declined and oil prices fell following a U.S. threat to expand sanctions against Iran.Yields on U.S. 10-year and 30-year bonds were set for a second straight day of declines as traders weighed the implications of U.S. Treasury Secretary Scott Bessent's decision last week to expand Treasury buybacks.On Monday, Bessent warned countries to cut their financial ties with Iran or face secondary sanctions as part of what had been billed as "economic D-Day." However, oil prices fell to a one-week low on Tuesday as traders viewed economic pressure as less of a risk to oil supplies than a military escalation.On Wall Street, the heavyweight techno