Broad Market Indicators

Broad-market exchange-traded funds IWM and IVV were lower. Actively traded Invesco QQQ Trust (QQQ) was down 3.1%.

US equity indexes sank in midday trading Monday amid a sell-off in technology as an artificial intelligence program from a Chinese start-up, DeepSeek, raised questions about the use of computing power and the cost-effectiveness of rival platforms.

Energy

iShares US Energy ETF (IYE) and Energy Select Sector SPDR (XLE) lost about 1.5% each.

Technology

Technology Select Sector SPDR ETF (XLK) shed 4.8%; iShares US Technology ETF (IYW) and iShares Expanded Tech Sector ETF (IGM) were in the red.

SPDR S&P Semiconductor (XSD) lost 7.4%, and iShares Semiconductor (SOXX) fell 7.6%.

Financial

Financial Select Sector SPDR (XLF) rose 0.5%. Direxion Daily Financial Bull 3X Shares (FAS) climbed 1.4%, and its bearish counterpart Direxion Daily Financial Bear 3X Shares (FAZ) dipped 1.5%.

Commodities

Crude oil fell 2.4%, and the United States Oil Fund (USO) dropped 2.6%. Natural gas was down 6.8%, and the United States Natural Gas Fund (UNG) fell nearly 6%.

Gold was down 1.5% on Comex, and SPDR Gold Shares (GLD) lost 1.4%. Silver fell 2.7%, and iShares Silver Trust (SLV) was down 2.1%.

Consumer

Consumer Staples Select Sector SPDR (XLP) rose 2.2%; Vanguard Consumer Staples ETF (VDC) and iShares Dow Jones US Consumer Goods (IYK) were higher.

Consumer Discretionary Select Sector SPDR (XLY) gained 0.2%; retail fund VanEck Vectors Retail ETF (RTH) was up 0.6%, and SPDR S&P Retail (XRT) fell 0.1%.

Health Care

Health Care Select Sector SPDR (XLV) was up 2%, and iShares US Healthcare (IYH) and Vanguard Health Care ETF (VHT) were higher. IShares Biotechnology ETF (IBB) was 1.1% up.

Industrial

Select Sector SPDR-Industrial (XLI) lost 1.4%, and Vanguard Industrials (VIS) and iShares US Industrials (IYJ) were lower.