NEW YORK (Reuters) - Nvidia's ( NVDA ) profit report next week could steer the U.S. stock market's course, as investors seek confirmation that the AI-driven investment trend, which has powered equities for two years, is intact after last month's panic-selling triggered by the Chinese startup DeepSeek. Seen as a bellwether of the burgeoning AI industry, Nvidia ( NVDA )...

(For a Reuters live blog on U.S., UK and European stock markets, click/ or type LIVE/ in a news window.) * Payments firm Block falls as Q4 profit misses estimates * Celsius surges on deal to buy wellness drinks brand Alani * Futures up: Dow 0.1%, S&P 500 0.01%, Nasdaq 0.11% (Updates with analyst comment) By Shashwat Chauhan and Sukriti...

(For a Reuters live blog on U.S., UK and European stock markets, click or type LIVE/ in a news window.) * Futures up: Dow 0.07%, S&P 500 0.01%, Nasdaq 0.11% Feb 21 (Reuters) - U.S. stock index futures were largely flat on Friday after declining in the previous session when investors fretted over President Donald Trump's tariff threats and the...

* Investors focus on Nvidia's ( NVDA ) guidance for chip supply and demand * Nvidia's ( NVDA ) market cap swing could reach $260 billion post-results in either direction * Nvidia's ( NVDA ) correlation with S&P 500 fell to 30% from 71% last year * By Carolina Mandl NEW YORK, Feb 21 (Reuters) - Nvidia's ( NVDA )...