A selloff in Apple (AAPL) and ever-present concerns over next week's "Brexit" vote kept Wall Street in the red Friday.
The S&P 500 and Dow Jones Industrial Average both fell 0.33%.
Apple pressured the Nasdaq after the tech giant was ordered to stop sales of its iPhone 6 and 6 Plus smartphones in Beijing, citing patent infringement. Apple says the order has been put on hold while it appeals and continues to sell all phones. Shares remained down 2.28%.
The Nasdaq closed down 0.92%. The tech sector was the worst performer Friday with major tech companies such as Amazon (AMZN) , Microsoft (MSFT) and Alibaba (BABA) all lower. The Technology Select Sector SPDR ETF (XLK) fell 0.67%.
Investors remained cautious ahead of next week's referendum to determine whether Great Britain will remain in the European Union. U.K. citizens will head to the polls on June 23. An exit would have far-reaching economic and political consequences.
The Federal Reserve's rate hike plans remained in the spotlight Friday after St. Louis Fed President James Bullard said a slower, more stable economy warrants fewer rate hikes. Bullard noted that low economic growth and a Fed funds rate of just 63 basis points are likely to remain through to 2018. He expects growth of just 2%, weak inflation and a low unemployment rate to continue.