<div id="readability-page-1"><p>The Vanguard S&amp;P 500 ETF (VOO), which tracks the S&amp;P 500 Index (SPX), edged up about 0.06% in pre-market trading on Tuesday after a sharp AI-driven sell-off in the major averages a day earlier. The modest rebound appeared to reflect dip-buying following Monday's drop, though sentiment remained cautious due to President Donald Trump's proposed 15% global tariffs and ongoing U.S.–Iran tensions.</p><h3>Claim 50% Off TipRanks Premium</h3><ul><li>Unlock  hedge fund-level data  and  powerful investing tools  for smarter, sharper decisions  </li><li> Stay ahead of the market with  the latest news and analysis  and maximize your portfolio's potential</li></ul> <p>Strength in chip stocks also helped support market sentiment, with Advanced Micro Devices (AMD) jumping about 11% in early trading on Tuesday after Meta Platforms (META) announced a multi-year AI data-center deal, which likely provided a small lift to the broader market.</p> <p>During Monday's regular trading, the three U.S. indexes closed lower amid fears of AI-led disruption. Software names such as Microsoft (MSFT) and CrowdStrike (CRWD) were among the notable losers, along with several cybersecurity and financial stocks. The DJIA dropped 1.7%, led by IBM's (IBM) plunge, and the Nasdaq Composite fell 1.1%, while the S&amp;P 500 declined 1%, turning negative for the year.</p> <p>Overall, VOO has gained 0.05% over the past five days but has gained 15% over the past year.</p></div>

AMDL

RSPT

.SPX

AMUU

<p>The Vanguard S&P 500 ETF (VOO) rose 0.06% in pre-market trading on February 24, 2026, following a significant AI-driven sell-off. The increase is attributed to dip-buying after Monday's decline, despite cautious sentiment due to proposed global tariffs and U.S.–Iran tensions. Strength in chip stocks, particularly Advanced Micro Devices (AMD), which surged 11% after a deal with Meta Platforms (META), also supported market sentiment. Over the past year, VOO has increased by 15%, although it has only gained 0.05% in the last five days.</p>

- The Vanguard S&P 500 ETF (VOO) rose about 0.06% in pre-market trading following a sell-off, reflecting cautious investor sentiment driven by proposed global tariffs and U.S.–Iran tensions.  
- Chip stocks, particularly Advanced Micro Devices (AMD), boosted market sentiment after a deal with Meta Platforms (META), which contributed to a modest market recovery.  
- Despite the recent uptick, major U.S. indexes closed lower on Monday, with the S&P 500 declining 1% and turning negative for the year, though VOO has gained 15% over the past year.

Why Is Vanguard S&P 500 ETF (VOO) Up Today, 2/24/2026?