The milestone follows a record close for the Nasdaq Composite on Oct. 5, where the index hit 27,477.31 led by Nvidia's $5.7 trillion market valuation. Investors have largely ignored 20 year and 30 year Treasury yields reaching 24 year highs, with Interactive Brokers' Steve Sosnick noting that many view AI's potential as essentially infinite. While megacaps like Meta and Microsoft absorb rising costs, analysts question if smaller firms will struggle with more expensive financing.
Tuesday, October 20, 2026
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S&P 500 Hits New All Time High for First Time Since August
US Markets14 days ago
The primary US equity benchmark rose between 0.5% and 0.6% during early trading on Oct. 6, climbing to its highest level in months. The S&P 500’s surge came as traders in the blue chip index shrugging off high oil prices and a bond market slump to embrace artificial intelligence stocks. This recovery follows a volatile September when rising Treasury yields threatened to drag down broader asset classes.
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