Euphoria vs. Bubble: Why AI Isn't 1999 Yet

Anthropic During AI "Mania:" Market Able to Stomach Blockbu… · Jun 2, 2026 Business

Parabolic stocks represent only 5% of the S&P 500 index today, compared to much higher ratios in historical bubbles. While speculative hype exists, strong earnings growth is keeping valuations grounded.