U.S. stocks came under pressure again in Friday's volatile session amid worries about tighter monetary policy and the ongoing pandemic, leading to a losing week for the major averages.

The Dow Jones Industrial Average dropped 532.20 points, or 1.5%, to 35,365.44. The S&P 500 fell 1% for a second down day to 4,620.64. The tech-heavy Nasdaq Composite ended the session less than 0.1% lower at 15,169.68 after briefly trading in the green. At its session low, the Nasdaq dropped about 1.5%.