For a Reuters live blog on U.S., UK and European stock markets, click LIVE/ or type LIVE/ in a news window. Futures up: Dow 0.30%, S&P 0.53%, Nasdaq 0.93% Feb 23 (Reuters) - U.S. stock index futures rose on Thursday as a strong sales forecast from Nvidia boosted chipmakers, helping outweigh worries about the Federal Reserve continuing to raise interest rates in the face of sticky inflation and economic strength. Among stock, eBay IncEBAY.O slid 5.2% after warning of dour demand in the first half of 2023 due to strained consumer spending domestically and in Europe.