Tech stocks lead Nasdaq's weekly gainers; Costco, Zscaler see bloodbath post results

US Tech 100-led tech strength drove U.S. equity gains as the Nasdaq Composite closed up 0.28% on Friday, with the technology sector buoying major indexes. Dell Technologies surged after a blockbuster Q1 report, helping lift sentiment toward cyclical and large-cap tech names. The piece flags a broader tech-led rally that powered the S&P 500’s strong May performance and left major indices near record highs, indicating short-term bullish market momentum driven by earnings and AI/tech optimism. Market impact: tech outperformance continues to be the primary driver of weekly winners and upward pressure on major U.S. indices.