---
title: "US Stock Market Midday Update: Zscaler Drops 9.39%! CRO Transition Sparks Concerns, but Institutions Remain Bullish"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/300159825.md"
description: "Zscaler fell 9.39%; Microsoft rose 3.69%, with turnover reaching $15.6 billion; Oracle dropped 1.49%, with turnover reaching $2.41 billion; Nebius declined 2.25%, with turnover reaching $2.273 billion; Palo Alto Networks fell 3.78%, with a market capitalization of $307 billion"
datetime: "2026-09-25T19:33:33.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/300159825.md)
  - [en](https://longbridge.com/en/news/300159825.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/300159825.md)
generator: "portal-rs"
---

# US Stock Market Midday Update: Zscaler Drops 9.39%! CRO Transition Sparks Concerns, but Institutions Remain Bullish

**US Stock Market Midday Update**

Zscaler fell 9.39%, with increased trading volume. Based on recent news:

1.  On September 25, Zscaler announced the appointment of Ross Tackett as the new Chief Revenue Officer, leading to a decline in its stock price. Tackett will assume the role on October 1, replacing Mike Rich, who resigned for personal reasons. This news triggered market concerns about changes in the company's leadership, causing the stock to drop 3.56% in pre-market trading, with the intraday decline further expanding to 8.39%.

2.  On September 25, despite the stock price decline, multiple Wall Street institutions maintained positive ratings for Zscaler. Jefferies, Barclays, Robert W. Baird, and B. Riley Securities all reaffirmed their Buy ratings, with target prices of $220, $230, and $215, respectively. Analysts are optimistic about the company's orderly CRO transition and the stable performance of its core business.

3.  On September 25, Zscaler announced it would hold an Investor Day event on October 6 to showcase the company's vision, strategy, and growth potential. Although this news is favorable for long-term prospects, it failed to boost the stock price in the short term. The cybersecurity industry has shown overall weak performance recently, and investors should be wary of volatility risks.

**Stocks with Leading Turnover in the Industry**

Microsoft rose 3.69%, with a turnover of $15.6 billion. Based on recent key news:

1.  On September 25, Microsoft revamped Copilot, launching code generation and intelligent AI tools, driving a 3% increase in its stock price. This move enhanced market confidence in Microsoft's AI business, further consolidating its position in the enterprise AI platform sector.

2.  On September 24, Oppenheimer analysts pointed out that Microsoft's structural advantages in the AI field and the release of market demand sent positive signals, with strong growth in Azure and Microsoft 365 commercial businesses. The analyst maintained an "Outperform" rating and raised the target price to $570, boosting investor confidence.

3.  On September 23, Goldman Sachs maintained a "Buy" rating with a target price of $640, emphasizing the returns on Microsoft's AI decisions, which drove the stock price higher. Analysts believe Microsoft's momentum in the AI chip and enterprise platform markets is noteworthy. Strong growth in the AI sector has strengthened market confidence.

Oracle dropped 1.49%. Based on recent news:

1.  On September 24, Oracle issued a force majeure notice to STACK Infrastructure, a subsidiary of Blue Owl Capital, indicating that its Project Jupiter AI data center project in New Mexico might face delays. This move raised investor doubts about Oracle's ability to complete its AI infrastructure expansion plan on schedule, causing the stock price to fall by approximately 4%.

2.  On September 24, Oracle's capital expenditures increased significantly, reaching $28.499 billion in the latest quarter, exceeding operating cash flow of $23.103 billion, resulting in negative free cash flow of $5.396 billion. Market concerns about its liquidity management and financing costs intensified, further suppressing the stock price.

3.  On September 24, Oracle's credit default swap (CDS) spread rose to 215 basis points, hitting an 18-year high, while S&P downgraded its rating to BBB−, reflecting market concerns about its debt risk. AI infrastructure construction faces energy and approval challenges.

Nebius fell 2.25%. Based on recent key news:

1.  On September 26, BNP Paribas upgraded Nebius's rating to Outperform and raised the target price from $260 to $399. Despite this, the stock price still fell 2.5%. Analysts believe that although the company's revenue growth is strong, issues regarding construction costs and utilization rates still need to be addressed. Source: CNBC

2.  On September 25, Nebius announced that it would again increase the price of Nvidia GPUs by 17% to 21% on October 1. This move reflects increased demand for computing power, which may drive revenue growth. Source: Benzinga

3.  On September 24, Michael Burry increased his short position in Nebius, believing that the tight supply of AI-related memory is only a temporary phenomenon, which may put pressure on the stock price. Source: BlockBeats

AI industry demand is strong, and prices are rising.

**Stocks with Leading Market Capitalization in the Industry**

Palo Alto Networks fell 3.78%. Based on recent key news:

1.  On September 24, Chinese cybersecurity regulators announced an investigation into Palo Alto Networks' products, causing market concerns about its operations in China and putting pressure on the stock price. Source: Benzinga

2.  On September 23, Palo Alto Networks launched new AI cybersecurity services. Although the market recognized its innovation, executive stock sales triggered caution regarding short-term stock price gains. Source: Jinse Finance

3.  On September 25, Palo Alto Networks' performance growth relied on acquisitions, masking the slowdown in organic revenue, raising market concerns about its future growth. Source: Benzinga

Increased demand for AI security and intensified market volatility

### Related Stocks

- [ZS.US](https://longbridge.com/en/quote/ZS.US.md)
- [MSFT.US](https://longbridge.com/en/quote/MSFT.US.md)
- [ORCL.US](https://longbridge.com/en/quote/ORCL.US.md)
- [NBIS.US](https://longbridge.com/en/quote/NBIS.US.md)
- [PANW.US](https://longbridge.com/en/quote/PANW.US.md)

## Related News & Research

- [Zscaler CEO Highlights AI Security Surge, Zero-Trust Momentum at Citi Conference](https://longbridge.com/en/news/298814042.md)
- [Zscaler Q4 results beat estimates on strong platform adoption](https://longbridge.com/en/news/297954713.md)
- [Meta vs. Microsoft: One Hyperscaler Stock Has Room to Grow, the Other Lacks a Catalyst, Says Investor](https://longbridge.com/en/news/300456248.md)
- [What's Going On With Oracle Stock Tuesday?](https://longbridge.com/en/news/300437295.md)
- [Oracle Fusion Claw the new grab for fully autonomous agentic AI in ERP](https://longbridge.com/en/news/300498928.md)

---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**