Charles River Laboratories International, Inc. announced a Research Collaboration Agreement with the U.S. Food and Drug Administration (FDA) and Labcorp. This collaboration aims to develop sensitive screening tools to quantify and rank the abuse potential of new drugs, including abuse-deterrent formulations (ADFs) and emerging drugs of abuse. The goal is to enhance objective, standardized metrics for quantifying abuse potential in preclinical models to inform regulatory assessments under the Controlled Substances Act.

T-Mobile US (TMUS) stock may be undervalued despite a recent analyst upgrade, trading around US$158.79. The company has seen a 43.9% return over the past five years, and its current P/E ratio of 16.1x is slightly above the industry average but significantly lower than some peers, suggesting potential undervaluation based on its fundamentals and growth profile. Analysts project continued strong earnings, further supporting the view that the stock's current price does not fully reflect its future potential.

Integrated Advisors Network LLC significantly reduced its stake in Microchip Technology Incorporated, selling 31,405 shares, which represents a 74.2% cut. Despite this, Microchip Technology exceeded analyst expectations with its recent quarterly earnings and revenue, reporting $0.76 EPS on $1.48 billion, and also declared a quarterly dividend of $0.455. The stock currently holds a "Moderate Buy" consensus rating from analysts, with an average price target of $97.71, though shares opened down 3.4% at $74.52.

E. Ohman J or Asset Management AB increased its stake in Autodesk, Inc. (NASDAQ:ADSK) by 12.2% in the third quarter, bringing its total holdings to 143,608 shares valued at $30.014 million. Other institutional investors also adjusted their positions in the software company, which reported strong quarterly earnings of $3.30 EPS against analyst estimates of $3.12, with revenue up 16.1% year-over-year. Analysts currently have a "Moderate Buy" consensus rating for Autodesk, with a target price of $316.84.

E. Ohman J or Asset Management AB significantly reduced its stake in Fortinet, Inc. (NASDAQ:FTNT) by 33.2% in the third quarter, selling 84,980 shares and holding 170,639 shares worth $30.5 million. Other institutional investors also adjusted their positions, while Wall Street analysts maintain a "Hold" consensus rating with a price target of $161.75. Fortinet reported strong quarterly earnings, beating analyst estimates, and insiders have sold over $36 million in stock in the last three months.

This article reports on a Form 4 filing for BlackBerry Ltd, detailing an insider transaction by John Joseph Giamatteo, who holds roles as Director, CEO, and President of Secure Comm. The filing pertains to activities on October 21.

E. Ohman J or Asset Management AB reduced its stake in Microchip Technology Incorporated by 13.3% during the third quarter, selling 44,200 shares to hold a total of 288,167 shares valued at $22.41 million. Other institutional investors also adjusted their positions in the semiconductor company. The article also details the company's financial performance, dividend announcement, and recent insider stock sale by CFO James Bjornholt.

Motorola Solutions (MSI) stock has significantly outperformed the S&P 500 over the past decade, turning a $10,000 investment into $64,900 before dividends. However, the stock experienced three drops of 20% or more, including one exceeding 30%. The article examines whether an investor could have endured these periods of decline, highlighting that the most recent fall, starting in November 2024, has yet to recover to its prior high, even as the company's business fundamentals remained strong.

Marilyn Matz, a director at Teradyne, Inc. (NASDAQ:TER), sold 400 shares of common stock for a total of $140,000 on October 21, 2026, pursuant to a Rule 10b5-1 trading plan. This transaction leaves Ms. Matz with 12,640.675 shares. The sale comes amidst mixed sentiments for Teradyne, as the company recently reported strong Q2 results driven by AI and data-center demand, but also faced a downgrade to Neutral from Baird due to valuation concerns.

Western Digital reported a significant increase in fiscal first-quarter profit and revenue, driven by strong demand for data storage, particularly from the build-out of artificial intelligence infrastructure. The company's CEO noted sustained demand for hard disk drives from both core and new customers, including neoclouds and AI frontier labs. The company also announced a lifted dividend.