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- US stocks finished the week mostly higher despite continued fallout from multiple bank failures.
- Banks borrowed $165 billion from the Federal Reserve's backstop program to shore up liquidity.
- But strength in mega-cap tech stocks helped catapult the Nasdaq 100 to its best weekly gain since November.
US stocks fell on Friday but finished mostly higher for the week as a continued fallout from the failure of Silicon Valley Bank tests the resilience of equities.