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Why Today’s Stock Market Rally Differs From Dot-Com Bubble

Current market resilience stems from strong earnings growth and AI-driven productivity gains, creating fundamental differences from the speculative dot-com era. Wall Street expects 95% of S&P 500 companies to grow earnings next year.

While current market enthusiasm draws comparisons to the late 1990s dot-com bubble, fundamental differences in earnings growth, valuation metrics, and underlying economic conditions suggest this stock market rally rests on more sustainable foundations. Despite facing multiple headwinds including labor market shifts and geopolitical tensions, the market’s resilience reflects genuine corporate profitability rather than mere speculation.

Earnings Growth Versus Speculative Mania

by Megan CarterOctober 13, 2025

International Business and Trade Policy

Trump Tariffs Wipe Billions from Markets as AI Stock Rally Stalls

President Trump’s announcement of 100% tariffs on China triggered massive market losses, erasing nearly $800 billion from tech stocks. The move halted the sustained AI-driven rally that had propelled markets to record highs. Experts analyze the implications for artificial intelligence investments and market stability.

Artificial intelligence stocks face unprecedented pressure as President Trump’s tariff announcement triggers the largest market decline since April, wiping out nearly $800 billion in value from major technology companies. The S&P 500 and Nasdaq Composite experienced their most significant single-day drops in months, halting what had been a sustained rally driven primarily by AI innovation and investor enthusiasm for companies like OpenAI and Nvidia.