A broader market rally, driven by investor optimism in artificial intelligence and big tech, led to significant jumps in several semiconductor stocks. Microchip Technology, NXP Semiconductors, Texas Instruments, Western Digital, and Allegro MicroSystems all saw substantial gains. Western Digital, in particular, benefited from soaring AI-driven data storage demand, reaching a new 52-week high.

Western Digital (NASDAQ: WDC) stock surged 15.8% today after CNBC reported that computer memory chip prices, particularly for DRAM, are set to rise further in 2026 due to AI demand. While Western Digital does not produce DRAM, investors are betting that increasing DRAM prices could lead AI companies to seek cheaper alternatives like HDDs, benefiting Western Digital. Despite the surge, the author suggests Micron (NASDAQ: MU) presents a more compelling bargain due to its higher projected earnings growth rate.

InterDigital (IDCC) shares fell about 7.3% following news of an officer's proposed sale of 1,000 shares and ongoing legal battles, specifically a patent dispute with Amazon. The company's business relies heavily on patent licensing, making court rulings and policy shifts critical. Investors are closely watching the Amazon patent dispute, the upcoming dividend record date, and early-February earnings.

AMD shares fell 3.1% after showcasing new AI products at CES, putting its AI chip roadmap in focus against competitors like Nvidia and Intel. The company announced its next earnings report for February 3rd, and investors are closely watching for proof that new accelerator chips are translating into sustained sales. The broader market rose, but AMD faces pressure to show faster traction in AI deployments given Nvidia's continued rapid advancements.

KLA Corporation (KLAC) shares have surged 96.2% over the last year, outperforming the broader tech sector, driven by its leadership in process control, strong AI infrastructure investments, and growth in advanced packaging. The company's prospects are further bolstered by robust demand for leading-edge logic, high-bandwidth memory (HBM), and expected significant growth in advanced packaging revenues. With a Zacks Rank #2 (Buy) and a Growth Score of B, KLA is well-positioned for continued momentum.

New court documents filed in a lawsuit against BlackBerry Ltd. allege at least three women were fired after reporting a "toxic" and "boys' club" culture within the company. Former BlackBerry CMO Neelam Sandhu initiated the lawsuit, alleging sexual harassment and retaliation by CEO John Giamatteo. The court filings suggest a pattern of women being terminated after raising complaints, while accused men faced no repercussions.

Allegro MicroSystems (ALGM) shares rose approximately 10% after Wells Fargo added the stock to its Q1 2026 Tactical Ideas list with a $40 target, citing expected improvement in leading indicators. The company also announced two new product launches targeting SiC power designs for AI data centers and electric vehicles, further boosting investor confidence. These developments are seen as indicators that the chip supply chain's inventory overhang may be easing, alongside a broader market warming to analog chip names.

Dow Inc. has appointed Andre Argenton as the new Chief Technology and Sustainability Officer, effective January 1, 2026, replacing A.N. Sreeram who retires on June 30, 2026. This announcement comes as Dow's stock (DOW) is set to achieve a new record closing high, indicating strong market performance. The change in leadership was reported in a recent SEC filing.

Apple shares fell 1.8% to $262.34 following signals of the slowest App Store revenue growth in 11 quarters, according to BofA. Investors are closely monitoring Apple's services performance, especially as the company's valuation relies heavily on growth beyond hardware sales. Upcoming events include the U.S. December jobs report on January 9 and Apple’s fiscal Q1 results on January 29, which will provide further clarity on the company's financial trajectory.

Keysight Technologies has introduced Keysight AI Software Integrity Builder, a new software solution designed to validate and maintain AI-enabled systems for trustworthiness, especially in safety-critical environments like automotive. This solution addresses the opacity of AI decision processes and the need for regulatory compliance by providing a unified framework for dataset analysis, model validation, and real-world inference testing. It aims to empower engineering teams with the tools for continuous AI model improvement and regulatory conformance.