U.S. indices closed lower after a turbulent week in which U.S. Treasury yields hit a 16-year high as investors assessed revisions to the U.S. Federal Reserve's monetary tightening expectations.
All three major indices fluctuated for most of the session, but collectively retreated to end the week lower.
The Dow Jones Industrial Average fell during the past week by 1.89 percent, and fell in Friday's trading by 106.91 points, or 0.31 percent, to reach 33963,51.<> points.
The S&P 500 index fell by 10.75 points on Friday, or 0.25 percent, to 4319,25.2 points, and records a weekly decline of 93.<> percent.
The Nasdaq Composite index fell 12.18 points, or 0.09 percent, to 13211,81.<>.
The Nasdaq recorded the highest weekly decline among the indices, at 3.62 percent.