According to The Kobeissi Letter, the S&P 500 fell more than 70 points within seconds after President Trump said he is calculating increased tariffs on Chinese products and stated there is no reason to meet Chinese President Xi, source: The Kobeissi Letter on X, Oct 10, 2025. This headline-driven drop indicates acute intraday volatility in US equities with tariff escalation cited as the immediate catalyst, source: The Kobeissi Letter on X, Oct 10, 2025. No direct cryptocurrency reaction was reported in the source; crypto traders may monitor for spillover risk from the equity shock described, source: The Kobeissi Letter on X, Oct 10, 2025.