Nvidia's stock closed up 8.74% on Thursday, adding ~$440B to Nvidia's market cap, after its revenue guidance reassured investors that AI demand remains strong.[463962] Salesforce's stock surged 22.6% on Thursday, its second-best day ever, after the company reported a beat on Q2 earnings and expanded its Anthropic partnership.[463962] The gains come as investors assess the demand for artificial intelligence and its impact on the tech industry.[463962] Nvidia and Salesforce are among the tech giants that have been benefiting from the growing demand for AI solutions.[463962] The news comes as investors are looking for signs of strength in the AI market, which has been a key driver of growth for many tech companies.[463962] The performance of these tech giants suggests that investors are becoming more optimistic about the future of AI and its impact on the economy.[463962] Nvidia's strong revenue guidance and Salesforce's expanded partnership with Anthropic are just two examples of how the tech industry is responding to the growing demand for AI.[463962] The gains in these tech giants' stock prices are a sign that investors are becoming more confident in the long-term prospects of AI and its applications.[463962]