NEW YORK, June 15 (Reuters) - A recent slump in technology stocks worsened on Thursday, dragging on major U.S. indexes as investors fretted about the economy's health after the Federal Reserve lifted interest rates.

The Dow Jones Industrial Average fell 14.32 points, or 0.07 percent, to 21,360.24, the S&P 500 lost 5.39 points, or 0.22 percent, to 2,432.53 and the Nasdaq Composite dropped 29.39 points, or 0.47 percent, to 6,165.50. (Reporting by Lewis Krauskopf; Editing by Nick Zieminski)