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Stock Market 16 December 2025
On June 23, 2026, global markets saw significant volatility, especially in technology and semiconductor sectors. South Korea’s KOSPI index plunged 9.99%, its steepest drop in over three months, as investors sold off chipmakers following a record AI rally and regulatory warnings. This selloff spread to Europe and the U.S., with Nasdaq 100 futures down over 2% and S&P 500 futures falling 1.33% before the Wall Street open. Semiconductor stocks worldwide declined sharply, and concerns about debt-fueled AI spending and rate risks weighed on sentiment. Intel dropped about 8% in premarket trading, while Super Micro fell 6.3% after a strong previous session. IBM bucked the trend, rising over 3% on news of an OpenAI cyber-defense deal and new quantum-computing orders. Microsoft gained 1.1% premarket after a prior decline, amid attention on Chevron’s AI data center power deal and ongoing concerns about AI infrastructure costs. Tianci International surged 73.2% premarket after reporting more than doubled revenue and a swing to positive net income. Catheter Precision rose on news of new patents and a sports partnership. Ridgetech jumped 68.6% premarket with heavy volume. Ondas reported over $40 million in June defense orders but traded lower. Infleqtion rose after forming a U.S. quantum-space coalition, though it remains early-stage and loss-making. SOFI slipped 2.3% after Bullish listed its stablecoin, while Space Exploration Technologies Corp. continued to struggle, dropping below its IPO price and losing about $400 billion in market cap. Oil prices fell sharply as the Strait of Hormuz reopened, with WTI crude down nearly 10% for the week.
