Retail investors had plenty to talk about this week, with AI and tech names dominating the conversation. Intel, Apple, Nvidia, Oracle and Nebius were among the stocks getting the most attention across X, each with a different catalyst behind the moves. $NBIS stood out after announcing higher AI compute prices from October 1, including increases for Nvidia GPUs, AMD CPUs and memory. That pricing move adds another interesting angle to the ongoing AI infrastructure story. $NVDA also remained a major focus as investors weighed AI demand, new technology developments and concerns around the pace of frontier-model growth. $AAPL, $ORCL and $INTC had their own mix of product news, corporate developments and AI-related narratives keeping retail traders engaged. AI infrastructure clearly remained one of the biggest themes on the market this week.