These days, nothing is certain about the tech market or the world at large. Even Nvidia's seemingly bulletproof stock took a hammering on Monday, enduring

The start-up had become a key player in the “Chinese Large-Model Technology Avengers Team” that would counter US AI dominance, said another. China’s delight, however, spelled pain for several giant US technology companies as investors questioned whether DeepSeek’s breakthrough undermined the case for their colossal spending on AI infrastructure.