---
title: "The S&P rose over 8% in September, marking its best performance for the same period in the last fifteen years, supported by AI and expectations of interest rate cuts from the Federal Reserve"
type: "News"
locale: "zh-CN"
url: "https://longbridge.com/zh-CN/news/259602528.md"
description: "The S&P 500 rose more than 8% in September, marking its best performance for the same period in the last fifteen years, primarily supported by AI and expectations of interest rate cuts by the Federal Reserve. The S&P 500 closed up 27.25 points at 6688.46 points, with a cumulative increase of 3.53% in September. The Dow Jones Industrial Average and NASDAQ Composite Index also rose, indicating a continued upward trend in the overall market"
datetime: "2025-09-30T21:16:01.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/259602528.md)
  - [en](https://longbridge.com/en/news/259602528.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/259602528.md)
---

> 支持的语言: [English](https://longbridge.com/en/news/259602528.md) | [繁體中文](https://longbridge.com/zh-HK/news/259602528.md)


# The S&P rose over 8% in September, marking its best performance for the same period in the last fifteen years, supported by AI and expectations of interest rate cuts from the Federal Reserve

The S&P 500 Index closed up 27.25 points, an increase of 0.41%, at 6688.46 points, with a cumulative increase of 3.53% in September, a cumulative increase of 7.79% in the third quarter, and a cumulative increase of 13.72% from January to September—expected to continue the previous two years' performances of 24.23% and 23.31%.

The Dow Jones Industrial Average closed up 81.82 points, an increase of 0.18%, at 46397.89 points, with a cumulative increase of 1.87% in September, a cumulative increase of 5.22% in the third quarter, and a cumulative increase of 9.06% from January to September, following increases of 13.70% and 12.88% in the previous two years.

The NASDAQ Composite Index closed up 68.855 points, an increase of 0.31%, at 22660.009 points, with a cumulative increase of 5.61% in September, a cumulative increase of 11.24% in the third quarter, and a cumulative increase of 17.34% from January to September, following increases of 43.66% and 28.64% in the previous two years.

The NASDAQ 100 Index closed up 68.636 points, an increase of 0.28%, at 24679.988 points, with a cumulative increase of 5.40% in September and a cumulative increase of 8.82% in the third quarter

### 相关股票

- [Dow Jones Industrial Average (.DJI.US)](https://longbridge.com/zh-CN/quote/.DJI.US.md)
- [S&P 500 (.SPX.US)](https://longbridge.com/zh-CN/quote/.SPX.US.md)
- [NASDAQ Composite Index (.IXIC.US)](https://longbridge.com/zh-CN/quote/.IXIC.US.md)

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