Stock Indexes Finish Sharply Lower as Tech Stocks Plunge
The S&P 500 Index ($SPX) (SPY) closed down by -1.09% on Friday, the Dow Jones Industrial Average ($DOWI) (DIA) closed down by -0.34%, and the Nasdaq 100 Index ($IUXX) (QQQ) closed down -2.50%. December E-mini S&P futures (ESZ26) fell -1.14%, and December E-mini Nasdaq futures (NQZ26) fell -2.51%.
Stock indexes sold off sharply on Friday, with the S&P 500 falling to a 2-week low and the Nasdaq 100 dropping to a 1-month low. Selling in chipmakers and AI-infrastructure stocks led the market lower on Friday, driven by concerns about whether companies will see returns on their huge investments in the AI infrastructure buildout. Also, CoreWeave sank more than -11% to weigh on cloud infrastructure stocks as concerns about the company’s credit risk linger.
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Stock losses accelerated Friday afternoon as crude oil prices soared more than 3% to a 1-month high, raising inflation expectations and fueling fears the Fed will keep raising interest rates to contain inflation.
Higher bond yields undercut stocks after Fed Chair Warsh made no remarks on monetary policy or his outlook for the US economy late Thursday evening at the IMF annual meeting in Bangkok. The 10-year T-note yield rose +1 bp to 5.09%.
Friday’s US economic news was mixed for stocks. The Sep import price index ex-petroleum rose +0.8% m/m, stronger than expectations of +0.6% m/m, the largest increase in 5 months and a sign of price pressures. However, Sep manufacturing production rose +0.3% m/m, right on expectations.
Stocks have support from the prospect of solid quarterly earnings results that began this week. Goldman Sachs on Monday raised its three-month view on global equity markets to overweight from neutral, saying. “Earnings growth remains supportive for equities and the recent valuation de-rating has improved asymmetry into the third-quarter earnings season.” According to data compiled by Bloomberg Intelligence, Q3 S&P 500 earnings are expected to climb by +25% from a year earlier, up from a July estimate of 22%. As of Friday, 40 of the S&P 500 companies have reported results, with 78% beating estimates.
Nov WTI crude oil prices (CLX26) surged more than +3% on Friday to a 1-month high. Crude prices rallied on Friday amid a weaker dollar and concerns that escalating Middle East hostilities could disrupt regional energy supplies. Prices race to their highs Friday afternoon after US lawmakers introduced a bill to block President Trump’s deal with Russia to release several hundred million barrels of diesel fuel.
Markets are discounting a 17% chance of a +25 bp Fed rate hike at the next FOMC meeting on October 27-28.
Overseas stock markets settled higher on Friday. The Euro Stoxx 50 closed up +0.58%. China’s Shanghai Composite closed up +0.24%. Japan’s Nikkei-225 Stock Average closed up +1.39%.
Interest Rates
December 10-year T-notes (ZNZ6) closed down -2.5 ticks on Friday. The 10-year T-note yield rose +2.7 bp to 5.085%. Dec T-notes were under pressure Friday after Fed Chair Warsh’s lack of guidance at the annual IMF meeting in Bangkok weighed on T-notes. Also, Friday’s +3% surge in WTI crude oil to a 1-month high raised inflation expectations and weighed on T-notes. Friday’s stock plunge sparked safe-haven buying of government debt and limited T-note losses.
European government bond yields were mixed on Friday. The 10-year German bund yield rose +1.3 bp to 3.426%. The 10-year UK gilt yield fell -0.2 bp to 5.373%.
ECB Governing Council member and Bundesbank President Joachim Nagel said. “The ECB has raised interest rates twice, and if the situation remains as it is, we don’t rule out the possibility that we may have to take further action.”
Markets are discounting a 10% chance of a +25 bp ECB rate hike at the ECB’s next meeting on October 29.
US Stock Movers
Chipmakers and AI-infrastructure stocks continued their week-long slide on Friday, weighing on the broader market. Seagate Technology Holdings Plc (STX) closed down more than -7%, and Western Digital (WDC), SanDisk (SNDK), and ARM Holdings Plc (ARM) closed down more than -6%. Also, Advanced Micro Devices (AMD), Micron Technology (MU), Intel (INTC), and Marvell Technology (MRVL) closed down more than -5%, and Lam Research (LRCX), KLA Corp (KLAC), Applied Materials (AMAT), and Broadcom (AVGO) closed down more than -4%. In addition,
CoreWeave (CRWV) closed down more than -11% to weigh on cloud infrastructure stocks as debt concerns linger after swaps priced in more than a 50% chance the company will default on its debt within five years. Also, Nebius Group NV (NBIS) closed down more than -12% to lead losers in the Nasdaq 100, and Applied Digital (APLD) closed down more than -11%. In addition, Lumentum Holdings (LITE) closed down more than -5%, and Oracle (ORCL) and Arista Networks (ANET) closed down more than -4%.
The Magnificent Seven stocks, excluding Apple, fell on Friday and weighed on the overall market. Meta Platforms (META) closed down more than -3%, and Alphabet (GOOGL) closed down more than -2% to lead losers in the Dow Jones Industrials. Also, Tesla (TSLA) closed down more than -2%, and Amazon.com (AMZN), Microsoft (MSFT), and Nvidia (NVDA) closed down more than -1%. Apple (AAPL) bucked the trend and closed up +0.43%.
Cybersecurity stocks retreated on Friday. Okta (OKTA) closed down more than -10%, and SentinelOne (S), Fortinet (FTNT), Crowdstrike Holdings (CRWD), and Palo Alto Networks (PANW) closed down more than -7%. Also, Cloudflare (NET) closed down more than -6%, Zscaler (ZS) closed down more than -5%, and Gen Digital (GEN) closed down more than -2%.
Energy producers and service providers rallied on Friday after WTI crude oil rose more than +3% to a 1-month high. APA Corp (APA) closed up more than +4%, and Diamondback Energy (FANG) closed up more than +4% to lead gainers in the Nasdaq 100. Also, ConocoPhillips (COP) and Devon Energy (DVN) closed up more than +3%, and Chevron (CVX) closed up more than +2% to lead gainers in the Dow Jones industrials. In addition, Baker Hughes (BKR), ExxonMobil Holdings (XOM), Occidental Petroleum (OXY), and SLB Ltd (SLB) closed up more than +2%, and Halliburton (HAL) and Phillips 66 (PSX) closed up more than +1%.
Defense contractors rose on Friday as the companies are set to benefit from increased defense spending. Northrop Grumman (NOC) closed up more than +4%, and Lockheed Martin (LMT), RTX Corp (RTX), and L3Harris Technologies (LHX) closed up more than +3%. Also, General Dynamics (GD) closed up more than +2%, and Huntington Ingalls Industries (HII) closed up more than +1%.
Defensive food producers moved higher on Friday amid the slump in the broader market. Kraft Heinz Co (KHC), McCormick & Co (MKC), J M Smucker (SJM), Hershey Co (HSY), Hormel Foods (HRL), and Mondelez International (MDLZ) closed up more than +1%.
Omeros (OMER) closed down more than -14% after the European Medicines Agency issued a negative opinion on the company’s application for its narsoplimab therapy.
Earnings Reports (10/19/2026)
AGNC Investment Corp (AGNC), BOK Financial Corp (BOKF), Cleveland-Cliffs Inc (CLF), Crown Holdings Inc (CCK), Fifth Third Bancorp (FITB), FNB Corp/PA (FNB), RLI Corp (RLI), Steel Dynamics Inc (STLD), W R Berkley Corp (WRB), Western Alliance Bancorp (WAL), Wintrust Financial Corp (WTFC), Zions Bancorp NA (ZION).
On the date of publication, Rich Asplund did not have (either directly or indirectly) positions in any of the securities mentioned in this article. All information and data in this article is solely for informational purposes. This article was originally published on Barchart.com