Several semiconductor stocks, including Analog Devices, Applied Materials, KLA Corporation, Monolithic Power Systems, and onsemi, surged in value, driven by a broader market rally fueled by optimism in artificial intelligence and big tech shares. This momentum was also supported by hopes for an easier monetary policy from the Federal Reserve. Analog Devices, in particular, reached a new 52-week high, demonstrating significant investor returns over the past five years.

This article analyzes whether Amazon.com Inc (AMZN) is still a worthwhile investment amidst its widespread popularity. It examines Amazon's business segments, including e-commerce, Amazon Web Services (AWS), and its advertising/subscription revenues, comparing them against competitors. The article concludes that while AMZN is not a "get rich quick" stock, it remains a solid core holding for long-term investors due to its integrated role in the internet economy.

Blend Labs, Inc. has announced Matt Thomson as its new Head of Revenue, effective January 6, 2026. Thomson brings 25 years of fintech sales leadership experience, with a focus on boosting revenue and customer growth. This appointment follows the company's 60% year-over-year increase in customer pipeline in Q3 2025, and outgoing Head of Revenue Brian Kneafsey will transition to an advisor role.

Shares of data-center cooling system manufacturers plummeted after Nvidia CEO Jensen Huang suggested that next-generation Rubin chips might not require traditional water chillers, raising concerns about future demand. Companies like Johnson Controls and Modine saw significant drops, although some analysts believe the selloff is "overdone" given the companies' relationships with chipmakers and their capacity for evolving technology. Conversely, data-storage stocks, such as Sandisk Corp., surged following Huang's emphasis on the need for memory and storage in AI.

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.

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.

Establishment Labs (ESTA) is gaining buzz for its high-tech breast implants and surgical technology, sparking debate about whether it's a game-changer or just niche hype. While the company offers innovative, premium products in a regulated industry, investors need to weigh its significant growth potential against substantial risks like market volatility and regulatory challenges. It's considered a high-risk, high-conviction play rather than a quick flip, appealing to investors comfortable with significant stock swings and a long-term outlook.

Synopsys (SNPS) shares rose 2.9% to $508.47, driven by renewed AI optimism in the chip sector and the company's announcements at CES 2026 regarding new automotive engineering partnerships and virtual testing tools. The company highlighted collaborations with Samsung, NXP Semiconductors, Texas Instruments, and Arm, and projected strong fiscal 2026 revenue. Investors are also anticipating CEO Sassine Ghazi's comments at CES and the upcoming earnings report.

T-Mobile US has signed an amended and restated credit agreement to expand and extend its unsecured revolving credit facility with JPMorgan Chase Bank and other lenders. The facility increases to $10.0 billion from $7.5 billion and extends maturity to January 5, 2031, enhancing the company's liquidity and financial flexibility. Borrowings will bear interest based on benchmark rates plus a margin tied to T-Mobile's debt rating.

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.