S&P 500 Sees Modest Rise As Biggest IPO Ever Launches

The S&P 500 rose 0.6% as SpaceX debuted in a record $2 trillion IPO.

The S&P 500 (Index: SPX) rose a little over 0.6% over where it ended the previous week to close out the trading week ending on Friday, 12 June 2026 at 7,431.46.

That lackluster result occurred despite the biggest ever Initial Public Offering (IPO) in U.S. stock market history: the $2 trillion launch of SpaceX (Nasdaq: SPCX). The company best known for its reusable rocket launching technology and its satellite-based Starlink communication/Internet network did not qualify for inclusion into the S&P 500. S&P Global rejected changes in the index' rules that would have allowed SpaceX to be included less than a year after it began trading. The decision means that other megacap IPOs currently waiting in the wings for AI technology giants Anthropic and OpenAI will also face at least a year-long exclusion from the index before they might join the index.

Without the SpaceX IPO, the biggest market moving news of the week came during the trading day on Thursday, 11 June 2026, when President Donald Trump announced the U.S. and Iran were near an agreement to proceed with a negotiated end of the Iran war geopolitical event. Stock prices jumped on the news, more than reversing the previous day's decline when it looked military action might resume.

The latest update of the alternative futures chart finds the S&P 500 continuing to track along with the trajectory associated with investors focusing on the current quarter of 2026-Q2, just as they were a week earlier. This focus coincides with an intense amount of attention on the direction the Fed will be taking in setting short-term interest rates at the upcoming meeting of the Federal Open Market Committee in the next week:

Alternative Futures - S&P 500 - 2026Q2 - Standard Model (m=-2.0 from 28 Apr 2025) - Snapshot on 12 Jun 2026

The CME Group's FedWatch Tool foresees a quarter point increase in the Federal Funds Rate to a target range of 3.75-4.00% on 9 December (2026-Q4). In 2027, the tool now gives a greater than 50% probability of no additional rate hikes at each of the planned meeting dates of the Fed's interest rate setting Open Market Committee, with a 0% probability of any cuts and up to a 30% probability of an additional quarter point rate hike on 28 April (2027-Q2).

Here are the trading week's market moving headlines:

Monday, 8 June 2026

Tuesday, 9 June 2026

Wednesday, 10 June 2026

Thursday, 11 June 2026

Friday, 12 June 2026

The Atlanta Fed's GDPNow tool's estimate of real GDP growth for the U.S. economy in the current quarter of 2026-Q2 rose to +3.3%, bouncing back from the +3.0% it projected a week earlier.

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