Technology & Communications stocks are down 1.5%, with Monolithic Power Systems Inc and Uber Technologies Inc seeing losses of 19.1% and 11.5%. The Technology Select Sector SPDR ETF (XLK) is down 3.1%, while Monolithic Power Systems Inc is up 18.64% year-to-date and Uber Technologies Inc is up 14.13%.

Healthcare stocks are also struggling, with a 0.9% loss. Teleflex Incorporated and Regeneron Pharmaceuticals, Inc. are down 14.5% and 11.3%, respectively. The Health Care Select Sector SPDR ETF (XLV) is down 0.4%, while Teleflex Incorporated is down 18.93% year-to-date and Regeneron Pharmaceuticals, Inc. is down 6.80%.

In afternoon trading, the S&P 500 sectors show mixed performance, with Utilities and Energy in the green, while Technology & Communications and Healthcare are down. Utilities are up 1.8%, while Technology & Communications are down 1.5%. Energy is up 0.4%, and Healthcare is down 0.9%.

Read more at NASDAQ MarketSite: Thursday Sector Laggards: Technology & Communications, Healthcare