Taiwan Semiconductor, or TSMC, is a foundry, which means it makes the chips that companies like Nvidia, Apple, and Advanced Micro Devices design. It's benefiting from tremendous tailwinds in AI, but since it works with so many clients in many different industries, its risk is well diversified. That gives it the best of both worlds.

Marvell Technology (NASDAQ: MRVL) is a fabless semiconductor company that designs and sells data infrastructure solutions. The company's focus is on enabling technologies like AI, cloud computing, 5G, and high-performance networking. Marvell's products include chips for data centers, enterprise networking, and automotive applications.

Drawing from Harry Frankfurt’s classic definition, the researchers analyzed 2,400 real-world prompts across 100 artificial intelligence (AI) assistants, spanning political, medical, legal, and customer-facing contexts.