About 2 minutes away from the end of the trading day, Katie Greifeld and David Gura. And here to help take us through the closing bell, we have a global simulcast. Joined now by Isabelle Li.She's in for Carol Massar and Tim Stankovic. We welcome in all of our different audiences across all the various platforms right now. And Tim, I mean, you take a look at the S&P 500.We're not going to finish quite at session lows, but pretty dang close. And boy, it was ugly out there today. Yeah, just a cross assets, rea ...

CrowdStrike Holdings Inc (NASDAQ: CRWD) is inching lower on Mar 27 after partner Anthropic previewed a "breakthrough†AI model with advanced cybersecurity capabilities it's calling Claude Mythos. Adding to the pressure are reports of Amazon.com Inc, another one of CRWD's partners, developing a sophisticated artificial intelligence tool to handle sales, business development, and other tasks. ...

Cloudflare stock is showing notable weakness. Why is NET stock dropping?Anthropic Leak Sparks Fresh AI Disruption Fears In CybersecurityAnthropic said the exposure resulted from human error in its CMS configuration and said the issue was unrelated to its existing AI tools, but the leak still rattled investors across cybersecurity names.Cloudflare And Security Stocks Face Pressure On Competitive, Margin ConcernsThe sell-off also reflects a growing market fear that powerful AI systems from companies like Anth ...

Fortinet stock is taking a hit today. What’s behind FTNT decline?Anthropic Leak And AI Security Fears Hit Cyber NamesCybersecurity stocks moved lower after Anthropic allegedly exposed internal data through a content management system misconfiguration, with the lapse reportedly revealing details about an unreleased model called Claude Mythos. Anthropic later said the issue was caused by human error and was unrelated to its AI tools, but the event still added fresh anxiety around how quickly AI is changing th ...

About this content About Emily Jarvie Emily began her career as a political journalist for Australian Community Media in Hobart, Tasmania. After she relocated to Toronto, Canada, she reported on business, legal, and scientific developments in the emerging psychedelics sector before joining Proactive in 2022. She brings a strong journalism background with her work featured in newspapers, magazines, and digital publications across Australia, Europe, and North America, including The Examiner, The Advocate, ...

Cybersecurity Stocks Take a Hit: Palo Alto Drops 6%, Okta Tumbles 7% on AI Competition Fears - 24/7 Wall St. S&P 5006,420.90 -1.21% Dow Jones45,542.20 -1.22% Nasdaq 10023,321.80 -1.42% Russell 20002,465.66 -1.59% FTSE 1009,989.60 +0.30% Nikkei 22551,929.50 -1.43% Stock Market Live March 27, 2026: S&P 500 (SPY) Slips Despite Trump Deadline Extension Investing Cybersecurity Stocks Take a Hit: Palo Alto Drops 6%, Okta Tumbles 7% on AI Competition Fears By David MoadelPublished Mar 27, 1:00PM EDT Quick Read ...

Shares of Tenable Holdings (NASDAQ: TENB), a cybersecurity company, were falling hard this morning after a leaked Anthropic blog post claimed that a yet-to-be-released Claude model has advanced capabilities that could surpass current cybersecurity capabilities. That is, of course, a bit unsettling for any company trying to protect data, but it's especially worrying for Tenable and other cybersecurity stocks. Tenable stock plunged on the news and is down 8.5% as of 11:31 a.m. ET. Will AI create the world's ...

Cybersecurity stocks tumbled Friday morning on the news of a new Anthropic model, but analysts argue that AI will ultimately be a tailwind for the sector ...

The stock market has spent the past month starved of good news. One day after our last Monthly Meeting on Friday, Feb. 27, the U.S. and Israel attacked Iran. In retaliation, Iran has closed the Strait of Hormuz oil transport waterway and struck targets in Israel and neighboring Arab countries, as well as U.S. military facilities in the Mideast. The conflict has sent oil prices surging and stocks tumbling on inflation and economic growth fears. Since then, rising crude prices have been knocking down stocks, ...

Cybersecurity stocks slumped on Friday following a report that Anthropic is testing a powerful new artificial intelligence model that is more advanced in cyber capabilities and also presents potential security risks. Fortune first reported the news on Thursday, citing information from a publicly accessible draft blog post. According to the report, the new Mythos model is being touted as Anthropic's most powerful yet. However, the company is planning a slow rollout due to potential cybersecurity implications ...