NEW YORK / RankWire.AI / – On Wednesday, U.S. equities moved higher, fueled by a significant decline in long-term Treasury yields. The S&P 500 increased by 16.22 points, or 0.21%, closing at 7,707.98. The Dow Jones Industrial Average added 119.65 points, or 0.22%, ending at 53,463.05. The Nasdaq Composite advanced 41.38 points, or 0.16%, to finish at 26,331.09. This upward move ended a three-day losing streak for all three major U.S. indices.
Much of the session’s momentum was driven by the bond market after the U.S. Treasury Department announced an increase in liquidity support buybacks for longer-dated debt. Starting September 9, the maximum purchase size will rise to at least $4 billion per operation from $2 billion. This adjustment affects nominal coupon securities with maturities between 10-to-20-year and 20-to-30-year ranges. The department noted that these larger purchases will continue through November 4 and are based on robust volumes of high-quality offers.
Following the announcement, Treasury yields declined as government bond prices climbed. The benchmark 10-year yield dropped to approximately 4.65%, while the 30-year yield fell to around 5.20%. On Tuesday, the 30-year yield had reached 5.337%, its highest level since 2007. The decrease in yields alleviated some of the pressure higher borrowing costs had exerted on equities and contributed to Wall Street’s recovery from earlier losses this week.
Healthcare Sector Gains Provide Additional Support
Shares in healthcare companies gained ground after Moderna and Merck announced positive late-stage results from a melanoma study. Moderna’s stock surged 177%, while Merck’s shares rose 12.6% during the trading session. The Phase 3 INTerpath-001 trial evaluated intismeran autogene combined with Keytruda following surgery for patients with high-risk melanoma. The trial successfully met its primary endpoint of recurrence-free survival and also achieved a key secondary endpoint related to survival without cancer spreading to distant sites.
Following these reports, consumer stocks also posted increases. Estée Lauder saw its shares jump more than 16% after earnings were released. Target and Lowe’s experienced gains as well after announcing their latest quarterly results. Smaller-cap stocks outperformed the large-cap indices, with the Russell 2000 rising approximately 0.5%. These movements broadened the market’s recovery beyond healthcare sectors. Technology shares showed mixed results, which limited the overall gains in the major indexes.
Week-to-Date Performance Remains Negative Despite Wednesday’s Rise
Despite the rally on Wednesday, the three primary U.S. stock indexes remain lower for the week so far. The S&P 500 is roughly 1% below its level from the previous Friday, while the Dow has declined about 0.5%. The Nasdaq has dropped approximately 1.5%. The rebound followed several sessions in which increasing long-term yields exerted downward pressure on stock valuations and caused investors to adopt a more cautious stance across major sectors.
As of Wednesday’s close, the major averages remained in positive territory for 2026. The S&P 500 has gained about 12.6% since the start of the year, with the Dow increasing around 11.2%. The Nasdaq is up roughly 13.3%. Wednesday’s session marked a modest recovery for Wall Street, supported by declining Treasury yields and strong gains in healthcare. The U.S. Treasury Department’s buyback announcement and positive results from the melanoma trial played significant roles in driving the market during the trading day.
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