TOP TIERMARKET NEWSWIRE
Movers explained · 2026-09-04

Archived explainer. For the current picture see today's TRI page.

Why Is THOMSON REUTERS CORP (TRI) Stock Moving Today?

By the Top Tier Newswire AI Desk · September 4, 2026 at 2:36 PM ET · reviewed against 1 wire stories

THOMSON REUTERS CORP (TRI) is drawing unusual attention today. Our newswire has captured 1 story on TRI across 1 source in the last 36 hours, with AI sentiment reading bearish (avg 38/100).

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Thomson Reuters Corp stock is moving lower by 5.3% as of the latest trade at $105.79. The decline follows a cybersecurity incident reported by the company involving its C-Track platform. The incident affected 11 U.S. states, the U.S. Virgin Islands, and Canada, triggering immediate market concern over operational risks and potential regulatory scrutiny.

What Happened

Thomson Reuters disclosed a cybersecurity incident involving its C-Track platform on June 30. The breach impacts a range of U.S. and Canadian jurisdictions, raising questions about data security and customer trust. The company has not yet provided details on the scope of the breach or the type of data potentially compromised. The incident comes amid a broader period of AI-driven growth for the firm, including the recent launch of CoCounsel Legal powered by Anthropic's Claude Agent SDK. However, the cybersecurity issue has overshadowed these developments, leading to a sharp drop in TRI stock during the session.

What The Data Shows

The stock opened with a 2.9% gap up at $115.00 but quickly reversed course, hitting a session low of $105.25 before settling near $105.79. The volume of 0.4 million shares is twice the 3-month average, indicating heightened investor concern. TRI has printed 13 fresh 52-week lows on September 4, reflecting ongoing bearish pressure. The stock is trading within its 52-week range of $76.28 to $182.82, and its fundamentals remain mixed, with a P/E of 29.2 and a 2.47% dividend yield. The recent cybersecurity incident has likely exacerbated concerns already reflected in the declining 30-day sentiment trend, which fell to 39/100 from an average of 52/100 over the past month.

What To Watch

Investors should monitor RBC Capital's Outperform rating and $124 price target for potential influence on coverage breadth. Additionally, the company's dividend of $0.655 per share, ex-effective August 19, 2026, will be a key event to watch.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

TRI by the numbers

Coverage: 1 stories / 1 sourcesAI sentiment: 38/100 (bearish)Mkt cap: $45.9BP/E: 29.252w: $76.28 to $182.82
TRI · Sep 4 session (5-min) · -5.44% vs prior close · updated 8:55 PM ET
$105$110$116prev close $111.76$105.687:00 AM9:15 AM11:30 AM1:45 PM4:00 PM7:00 AM · $115.007:40 AM · $112.007:50 AM · $111.078:00 AM · $110.918:10 AM · $110.578:15 AM · $110.898:50 AM · $110.508:55 AM · $110.629:10 AM · $110.999:25 AM · $109.449:30 AM · $107.279:35 AM · $106.749:40 AM · $106.009:45 AM · $105.959:50 AM · $106.179:55 AM · $106.3510:00 AM · $106.6610:05 AM · $105.9410:10 AM · $106.1210:15 AM · $106.1510:20 AM · $106.2710:25 AM · $106.0610:30 AM · $106.4110:35 AM · $106.6710:40 AM · $106.1910:45 AM · $106.6610:50 AM · $106.5010:55 AM · $106.6311:00 AM · $106.5811:05 AM · $106.4811:10 AM · $106.5911:15 AM · $106.7811:20 AM · $106.8811:25 AM · $106.8411:30 AM · $106.6411:35 AM · $106.6811:40 AM · $106.8911:45 AM · $106.5311:50 AM · $106.4811:55 AM · $106.6712:00 PM · $106.4212:05 PM · $106.5612:10 PM · $106.7312:15 PM · $106.7312:20 PM · $106.5812:25 PM · $106.5812:30 PM · $106.6912:35 PM · $106.6912:40 PM · $106.5712:45 PM · $106.5212:50 PM · $106.3012:55 PM · $106.271:00 PM · $106.191:05 PM · $105.951:10 PM · $105.891:15 PM · $105.761:20 PM · $105.591:25 PM · $105.791:30 PM · $105.831:35 PM · $105.631:40 PM · $105.571:45 PM · $105.621:50 PM · $105.731:55 PM · $105.972:00 PM · $106.032:05 PM · $105.912:10 PM · $105.892:15 PM · $105.732:20 PM · $105.712:25 PM · $105.702:30 PM · $105.812:35 PM · $106.042:40 PM · $105.992:45 PM · $105.952:50 PM · $106.172:55 PM · $106.403:00 PM · $106.223:05 PM · $106.293:10 PM · $106.323:15 PM · $106.323:20 PM · $106.313:25 PM · $106.053:30 PM · $105.863:35 PM · $105.673:40 PM · $105.623:45 PM · $105.673:50 PM · $106.023:55 PM · $105.684:00 PM · $105.68
AI sentiment, last 36h · averaged over 1 story · 38/100 bearish
AI sentiment 38/100 (bearish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 1 story on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishSeeking Alpha · sentiment 38 · Thomson Reuters’ C-Track platform hit by cybersecurity incidentSeeking Alpha · 38Thomson Reuters’ C-Track platform hit by cybersecurity incident
9d agoSeeking AlphaBEARISH 38General

Thomson Reuters’ C-Track platform hit by cybersecurity incident

Thomson Reuters reports a C-Track cybersecurity incident affecting 11 U.S. states, Canada and more.

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More on TRI: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier TRI move explainers: 2026-09-04