S&P 500 jumps to a new record high and has been powered by some standout performers
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jun 27 2025
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Source: SeekingAlpha
S&P 500 Performance: The S&P 500 reached a new all-time high of 6,178.08, reflecting a 4.6% increase in 2025, driven by strong performances from select high-performing stocks like Palantir Technologies and NRG Energy.
Top and Bottom Performers: The article lists the top 10 best-performing stocks, with Palantir leading at +84.7% YTD, and the worst performers, including Deckers Outdoor Corp at -48.5% YTD, highlighting significant disparities in stock performance within the index.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
