Several semiconductor stocks, including Microchip Technology, NXP Semiconductors, Texas Instruments, Western Digital, and Allegro MicroSystems, saw significant gains following a broader market rally. Investor optimism was driven by advancements in artificial intelligence and big tech, coupled with hopes for easier monetary policy. Western Digital notably jumped 16.8%, hitting a new 52-week high, largely due to increased demand for data storage for AI and its strategic focus on cloud providers.

Teradyne shares soared to an all-time high after the company unveiled its robotic palletizing solution at CES 2026 in collaboration with Siemens. This solution optimizes palletizing performance and accelerates automation deployment. Additionally, Teradyne is expanding its U.S. operations with a new hub in Wixom, Michigan, to meet the surging demand for robotics in the country.

PayPal Holdings, Inc. (PYPL) has launched its Transaction Graph Insights & Measurement Program, initially available in the U.S. with plans to expand to the UK and Germany. Additionally, PayPal introduced new advertising solutions at CES 2026, signaling its expansion into the digital advertising sector.

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.

Booking Holdings Inc. has transformed from a basic booking engine into a vast, AI-driven global travel infrastructure, leveraging multiple brands like Booking.com and Priceline to create a super-app experience. The company focuses on a "connected trip" vision, integrating AI for personalization and operating with a direct supply model to differentiate itself from competitors like Expedia, Airbnb, and Google Travel. This comprehensive strategy, alongside its financial strength, aims to solidify its position as the dominant operating system for global travel rather than just an online travel agency.

Western Digital (WDC) shares surged 17%, trading above $219 after Nvidia CEO Jensen Huang's CES remarks about "context memory storage" sparked an AI-driven rally among storage and memory companies. This jump reflects investor optimism about demand for data storage tied to AI data centers, with other companies like SanDisk, Seagate Technology, and Micron also experiencing significant gains. However, analysts caution that current high prices might not be sustainable long-term, and upcoming U.S. labor data could influence market expectations and tech trades.

Apple is set to release a significantly upgraded Siri in spring 2026, integrating advanced AI like Large Language Models (LLMs) for improved contextual understanding, personalized responses, and seamless app integration. This overhaul aims to address Siri's past limitations, emphasize on-device privacy, and position Apple more competitively in the AI landscape. The enhancements are expected to boost device sales and strengthen Apple’s ecosystem synergy.

Hg Saturn 1, managed by HgCapital LLP, General Atlantic Service Company, L.P., and Tidemark Capital, Inc. have agreed to acquire OneStream, Inc. (NasdaqGS:OS) from Tidemark Capital, Inc. and KKR & Co. Inc. for approximately $6 billion. The deal values OneStream's shares at $24.00 per share in cash, with Hg becoming the majority shareholder. Following the acquisition, OneStream will cease to be publicly traded, but its CEO and leadership team will remain, and its headquarters will stay in Birmingham, Michigan.

Several tech stocks including Zeta Global, Cadence Design Systems, Atlassian, DigitalOcean, and Bentley Systems saw significant jumps in trading. This surge was attributed to a broader market rally driven by optimism around artificial intelligence and big tech, following the CES trade show which highlighted AI's continued growth as a primary market catalyst. The positive sentiment was further boosted by expectations of an easier monetary policy from the Federal Reserve.

Sima.Ai has initiated its first integration with Synopsys to enhance the development of automotive physical AI. This collaboration comes as Synopsys presented its vision for AI-driven, software-defined automotive engineering at CES 2026, highlighting technological advancements in the automotive sector.