Tone mix
Week by week 52 weeks
Share of Bio-Rad Laboratories, Inc.Class A's 201 headlines over the last 52 weeks by the model's call, and the same mix week by week.
Biggest swings in the last year
The weeks whose tone moved furthest from the 8-week average, with the story most outlets carried that week.
- Week of Jul 6, 2026 · tone +99BIO-key Regains Compliance with Nasdaq Listing Rules; Nasdaq Trading Resumes on Wednesday, July 8th+99
- Week of Jun 29, 2026 · tone -94At BIO, tension over China biotech deal regulation looms-89
- Week of Oct 20, 2025 · tone +99What Makes Bio-Rad Laboratories (BIO) an Investment Bet?+76
- Week of Sep 22, 2025 · tone +93Brokerages Set Bio-Rad Laboratories, Inc. (NYSE:BIO) Target Price at $333.50+66
- Week of Nov 3, 2025 · tone -50Why Bio-Rad Laboratories Stock Slipped by More Than 3% on Thursday-61
- Week of Sep 29, 2025 · tone -38KALA BIO (NASDAQ:KALA) Cut to Neutral at Mizuho-50
Daily headline tone, last 90 sessions
Hover a session for its totals; click to pin.
Each point is the average score of the headlines about Bio-Rad Laboratories, Inc.Class A in one trading session, with the 8-session average drawn through it. Sessions with no headline about the company have no point.
Tone by period
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| Last 7 sessions | 4 | +100 |
| Last 30 sessions | 19 | +36 |
| Last 90 sessions | 58 | +27 |
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Every headline in the period counts equally.
Headlines on Thursday, October 29, 2026
1 headline, average tone +99: 1 positive, 0 neutral and 0 negative. Showing all 1.
- www.insidermonkey.com · 1 outletBio-Rad Laboratories (BIO) Advances on Restructuring Plans and Margin Improvement Potential, Ariel Appreciation Fund SaysPositive
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| Bio-Rad Laboratories (BIO) Advances on Restructuring Plans and Margin Improvement Potential, Ariel Appreciation Fund Says | www.insidermonkey.com | 1 | Positive |
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Headlines on Tuesday, October 27, 2026
1 headline, average tone +100: 1 positive, 0 neutral and 0 negative. Showing all 1.
- www.dailypolitical.com · 1 outletBIO-key International (NASDAQ:BKYI) Upgraded at Wall Street ZenPositive
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| BIO-key International (NASDAQ:BKYI) Upgraded at Wall Street Zen | www.dailypolitical.com | 1 | Positive |
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Headlines on Friday, October 23, 2026
1 headline, average tone +100: 1 positive, 0 neutral and 0 negative. Showing all 1.
- www.investorideas.com · 1 outletCybersecurity Stock BIO-key International (NASDAQ: BKYI) Gains on New Security ContractPositive
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| Cybersecurity Stock BIO-key International (NASDAQ: BKYI) Gains on New Security Contract | www.investorideas.com | 1 | Positive |
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Headlines on Thursday, October 22, 2026
1 headline, average tone +100: 1 positive, 0 neutral and 0 negative. Showing all 1.
- www.manilatimes.net · 1 outletBIO-key Secures Another Middle East Government Contract for its Passwordless, Biometric, Identity and Access Management SolutionsPositive
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| BIO-key Secures Another Middle East Government Contract for its Passwordless, Biometric, Identity and Access Management Solutions | www.manilatimes.net | 1 | Positive |
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Headlines on Tuesday, October 20, 2026
1 headline, average tone 0: 0 positive, 1 neutral and 0 negative. Showing all 1.
- www.themarketsdaily.com · 1 outletHead to Head Comparison: Bio-Rad Laboratories (NYSE:BIO) versus Medpace (NASDAQ:MEDP)Neutral
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| Head to Head Comparison: Bio-Rad Laboratories (NYSE:BIO) versus Medpace (NASDAQ:MEDP) | www.themarketsdaily.com | 1 | Neutral |
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How the score works
A headline's tone is not a forecast of the share price. Read the headlines themselves before acting on an average.
Which headlines count
Headlines come from the GDELT global news feed from 2019-09-23 on. A headline counts only when a model judges it to be about Bio-Rad Laboratories, Inc.Class A, not a passing mention.
How each headline is scored
The model calls each headline positive, neutral or negative news for the company. A period's tone is the share of positive minus negative headlines, from -100 (all negative) to +100 (all positive).
When a headline counts
Headlines published by 9:15 a.m. New York time belong to that day's session. Later and weekend headlines move to the next trading session.
Repeated stories
When several outlets carry the same headline, it counts once per session.