[4/18 17:00] AI doom movement and Altman attacks analysis / AI erodes confidence in own cognition

AI News Flash for April 18, 2026 at 17:00 UTC. Topics: 1. AI doom movement and Altman attacks analysis https://www.washingtonpost.com/technology/2026/04/18/ai-doom-influencers-safety/ 2. AI erodes confidence in own cognition https://futurism.com/health-medicine/ai-cognition-study 3. Jensen Huang $1 trillion pivot fuels AI crypto rally https://www.forbes.com/sites/digital-assets/2026/04/18/1-trillion-why-jensen-huang-pivot-has-ai-crypto-suddenly-surging/ 4. Microsoft-Stellantis 5-year AI alliance https://simplywall.st/stocks/us/software/nasdaq-msft/microsoft/news/microsoft-stellantis-ai-alliance-tests-long-term-automotive 5. Rubrik positions AI agent security at core of investment thesis https://simplywall.st/stocks/us/software/nyse-rbrk/rubrik/news/rubrik-puts-ai-agent-security-risks-at-center-of-investment