Wall Street sags, Dow Jones dips 64 points

NEW YORK, New York - Sellers took charge on Wall Street on Tuesday, after returning to their desks after a 3-day weekend to mark Presidents' Day on the Monday.

The technology sector was hardest hit with the Nasdaq Composite falling nearly one percent.

"With technology now trading at close to 30x forward estimates, that seems to be a ceiling for the tech sector. Makes it pretty hard for additional PE multipl