Stock Market Indexes Drop, But One Megacap Gained 6.3%

Stock Market Indexes Drop, But One Megacap Gained 6. 3% Anders Bylund, The Motley Fool Wed, September 9, 2026 at 6:42 PM GMT+2 4 min read ^DJI ^GSPC CL=F ^IXIC NVDA Stocks fell for a second straight session on Wednesday as Treasury yields and crude oil prices climbed together. That's an uncomfortable pairing for anyone hoping that the Federal Reserve will leave rates alone next week.

The indexes trended down this morning. The Dow Jones Industrial Average (DJINDICES: ^DJI) was down 0. 8% as of 11:33 a.

m. ET, with the Nasdaq Composite (NASDAQINDEX: ^IXIC) off 0. 7% and the S&P 500 (SNPINDEX: ^GSPC) down 0.

5%. Only five of the Dow's 30 stocks were higher, and not by much. Missed Nvidia in 2009?

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  Continue » ^SPX data by YCharts The Treasury tripled its bond buyback, and yields rose anyway The Treasury Department said it will repurchase up to $6 billion of longer-dated government debt, tripling the usual operation. This is more than the "at least double" buyback rate that Secretary Scott Bessent promised on Aug. 19.

The stated goal is to keep the bond market liquid, though everyone understands the real goal is to put a lid on yields. The bond market was unimpressed. The 10-year yield climbed about 4 basis points to roughly 4.

85%, and the 30-year yield rose above 5. 3%. Some traders reportedly wanted $7 billion or $8 billion, so tripling the operation to $6 billion looked like a disappointment.

Oil isn't helping. Brent crude rose about 3. 4% to $101.

25, its first trip above $101 since July. The U. S.

military destroyed five Iranian oil tankers on Tuesday. Goldman Sachs now calls $120 Brent "plausible" if the strikes continue. Image source: Getty Images.

Then there's the day's most positive subplot. Meta Platforms (NASDAQ: META) rose 6. 3% after rolling out Muse, a free AI assistant for U.

S. users. This agentic AI platform acts autonomously rather than just answering questions.

Besides giving Meta credit for offering a powerful new product, Wall Street immediately deemed it a threat to incumbent AI assistant providers. Google parent Alphabet 's (NASDAQ: GOOG) (NASDAQ: GOOGL) stock fell 2. 7%, and Amazon (NASDAQ: AMZN) took a 2.

3% hit. Together, Alphabet's two share classes reduced the Nasdaq Composite score by 0. 39 percentage points.

That's more damage than Meta's pop. Meanwhile, Apple (NASDAQ: AAPL) investors clearly had other things on their minds. The stock slipped 1.

1% while new CEO John Ternus unveiled the first foldable iPhone . What to watch before next week's rate call Story Continues Inflation numbers land in the next few days, right before the Fed meets on Sept. 15-16.

Oil is up and yields are up, and the Fed is paying close attention to these data points. The buyback is the lesson today. Treasury escalated its intervention twice in three weeks and yields rose on the news both times.

The pressure is coming from economic fundamentals rather than the financial machinery of cash management. Federal debt passed $40 trillion the other week, tariffs are still filtering into prices, and the Iran war keeps energy expensive. Wall Street trends are starting to reflect this reality.

RBC strategist Lori Calvasina flagged rising odds of a 5% to 10% pullback this week, citing September seasonality, midterm elections, the Iran war, and the same rate anxiety everyone else is chewing on. The bearish catalysts are stacking up. The Fed votes in six days.

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The Motley Fool has positions in and recommends Alphabet, Amazon, Apple, and Meta Platforms. The Motley Fool has a disclosure policy . Stock Market Indexes Drop, But One Megacap Gained 6.