1. The author avoids bubble stocks like Nvidia, which has been trading at extreme overvaluations since the second half of 2023; 2. Insider selling was aggressive in 2024, with nearly $2 billion in net liquidated value, before recession fears appeared in early 2025; 3. The author believes current Wall Street forecasts for Nvidia EPS and sales growth are overly optimistic, not accounting for potential recession and competition impacts after early year growth; 4. The trading chart shows an expanding imbalance of sellers vs. buyers since July, with a momentum pattern reminiscent of early 2008.