Stocks on track for biggest blown gain since April as Nvidia-inspired rebound falters. Here's what investors need to know.

Core Viewpoint - The stock market experienced an early rally on Thursday, which was followed by widespread selling due to renewed doubts about the artificial intelligence trade after Nvidia's latest earnings report [1] Group 1 - The initial stock market rally was significant but short-lived, indicating volatility in investor sentiment [1] - Nvidia's earnings report has raised concerns, suggesting that the optimism surrounding artificial intelligence investments may be overestimated [1] - The shift from rally to selling reflects broader market apprehensions about the sustainability of AI-related stocks [1]