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The healthcare market showcased a lively after-hours trading session on Monday, witnessing both upward and downward shifts across various companies. This summary highlights the key movements, illustrating the dynamic nature of stock valuations influenced by recent corporate news and investor sentiment.

Detailed After-Market Healthcare Stock Performance Analysis

On Monday, November 24, 2025, following the close of regular trading, a dozen healthcare-related stocks demonstrated considerable movement, captivating investors. These shifts provide a snapshot of the sector's health and potential future trends.

Among the top performers, Addex Therapeutics (ADXN) experienced a robust increase, climbing 12.1% to settle at $8.18, pushing its market valuation to $7.2 million. Similarly, Cassava Sciences (SAVA) saw its shares rise by 8.96% to $3.16, contributing to its substantial market capitalization of $138.6 million. Purple Biotech (PPBT) also posted a solid gain, with its stock price advancing 8.26% to $0.89, placing its market cap at $6.9 million. Further positive movements included Biodexa Pharmaceuticals (BDRX), which rose 7.63% to $4.65, achieving a market cap of $2.7 million. iSpecimen (ISPC)'s stock moved up by 3.75% to $0.48, resulting in a market cap of $4.1 million. Lastly, NovaBridge Biosciences (NBP) shares increased by 3.47% to $4.15, boasting a significant market capitalization of $487.5 million.

However, the after-market session also brought declines for several companies. Pasithea Therapeutics (KTTA) faced a considerable drop, with its stock falling 12.9% to $0.37, bringing its market cap to $2.1 million. Aditxt (ADTX) shares decreased by 6.45% to $3.34, with a market value of $1.3 million, reportedly influenced by its Q3 earnings report released four days prior. Tenax Therapeutics (TENX) saw a 5.34% reduction in its stock price, landing at $8.52 and holding a market cap of $50.8 million. Mobile-health Network (MNDR) experienced a 5.14% decline to $2.77, with its market cap noted at $11.3 million. Can Fite Biofarma (CANF) stock also dipped by 3.01% to $0.32, leading to a market cap of $4.9 million. Finally, Profusa (PFSA)'s stock fell 2.94% to $0.15, with a market cap of $5.7 million, following its Q3 earnings announcement three days earlier.

The dynamic movements observed in Monday's after-market healthcare trading underscore the sector's sensitivity to news, earnings, and investor sentiment. For market participants, these shifts highlight the importance of staying informed and agile. The varied performance across these 12 companies suggests a market that, while overall robust, rewards certain developments and penalizes others, offering both opportunities and risks for discerning investors.

Zoom Communications Inc. (NASDAQ: ZM) recently unveiled its third-quarter financial outcomes, which have notably outpaced analysts' projections for both its top and bottom lines. This robust performance has led to an enthusiastic response from the market, with the company's stock price showing a marked increase during after-hours trading. The strong financial indicators are largely driven by a healthy expansion in its enterprise segment and the growing integration and adoption of its innovative AI-enhanced functionalities.

During the third fiscal quarter, Zoom recorded a total revenue of $1.23 billion, comfortably exceeding the consensus estimate of $1.21 billion. The company's adjusted earnings per share reached $1.52, surpassing the analyst forecast of $1.44 per share. This represents a 4.4% increase in total revenue year-over-year, with enterprise revenue climbing by 6.1% to $741.4 million and online revenue seeing a 2% rise to $488.4 million.

Further details from the report highlight Zoom's operational efficiency and customer retention. The online monthly average churn rate stood at a low 2.7%. By the end of the quarter, the company boasted 4,363 customers contributing over $100,000 in trailing 12-month revenue, marking a 9.2% year-over-year increase. Zoom's financial health is also underscored by its net cash provided by operating activities, which was $629.3 million, and free cash flow of $614.3 million. The company concluded the period with a substantial $7.0 billion in cash, cash equivalents, and marketable securities.

Eric Yuan, Zoom's founder and CEO, emphasized the company's commitment to evolving into an AI-first platform. He noted the success of AI Companion 3.0 and the significant growth in its adoption, along with strong momentum in Custom AI Companion and the AI-first Customer Experience suite. These advancements have contributed to one of Zoom's most successful CX quarters, characterized by widespread AI integration across major deals, reinforcing the company's strategic direction towards leveraging artificial intelligence for enhanced connectivity and collaboration.

Looking ahead, Zoom has issued optimistic guidance for the fourth quarter, projecting revenue between $1.23 billion and $1.235 billion, slightly above the estimated $1.228 billion. Adjusted earnings for the fourth quarter are anticipated to be in the range of $1.48 to $1.49 per share, exceeding analyst estimates of $1.45 per share. The company has also raised its full fiscal year 2026 revenue guidance to between $4.852 billion and $4.857 billion, up from previous projections, and adjusted its full-year earnings outlook to $5.95 to $5.97 per share, surpassing the $5.88 per share estimate. These updated forecasts reflect Zoom's confidence in its continued growth trajectory and strategic initiatives.

The company's robust quarterly results and optimistic future projections have been well-received by investors, leading to a noticeable increase in its stock value during after-hours trading. This upward movement signifies strong market confidence in Zoom's financial stability, its strategic focus on AI innovation, and its ability to consistently deliver performance that exceeds Wall Street's expectations, positioning it favorably within the competitive communications industry.