NET

Cybersecurity stocks, including Cloudflare, jumped after a wave of AI‑driven cyber threats dubbed "Black October" spurred investor interest. The surge reflects a broader rally in the sector during the afternoon session.

Cloudflare’s shares have risen about 4.5 times over three years, driven by its web security and edge computing services. Investors are questioning whether the current price of around $303.61 is still justified by its sales growth.

Cloudflare closed the latest trading day at $303.61, down 1.18% from the previous close.

Citi handed Nebius a fresh credit line to fund its GPU buildout, and investors sold the news anyway. The reaction inside the neocloud group tells a story about leverage, trust, and how much runway debt-funded AI builders actually have left.

Brown Advisory, an investment management company, released its “Mid-Cap Growth Strategy” Q3 2026 investor letter. A copy of the letter can be downloaded here.

Shares of Rapid7, CrowdStrike, Cloudflare, Okta, and JFrog rose after sentiment in software and cybersecurity improved, easing fears of AI disruption.

Key TakeawaysCloudflare stock rose 6% and Datadog rose 7% today after PHP patched two critical flaws in software that runs an estimated 70% of websites. Cloudflare gave every customer firewall rules against the known attacks, including free users, which shows why its place in front of millions of sites is valuable.

PHP released emergency patches for two critical vulnerabilities affecting about 70% of websites. The news led to a surge in Cloudflare and other related stocks.