NASA is trading at $20.76, down 3.67% in pre-market as broader risk-off sentiment and AI-spending concerns weigh on equities. - U.S. futures fell and Asian shares weakened amid AI-spending doubts; Tesla cut its capital-spending forecast, while Meta raised its AI outlook. - Middle East tensions lifted oil, pressuring the ETF’s industrials, communications and technology exposure. - NASA’s 5.22% October 21 close gain followed SpaceX earnings optimism; the reversal tracks weaker equity sentiment, with no clear NASA-specific overnight catalyst.