Earnings live: Workday stock plunges amid AI disruption concerns, Lucid falls on mixed quarter, HP tumbles

Fourth quarter earnings season is entering its final stretch. In the week ahead, earnings from Nvidia (NVDA) will mark the final company among the "Magnificent Seven" tech stocks to report quarterly results. This report should offer a crucial update on how demand for its high-tech AI chips — a big part of the hundreds of billions of dollars its Big Tech peers are spending on AI investments — continues to shape up. Other key results in the week ahead will include reports from Warner Bros. Discovery (WBD ...