text: The Dow Jones Industrial Average lost 20 points to end at 20,914.62, while the broader S&P 500 index dipped by just three points to finish at 2,378.23.
  The tech-heavy Nasdaq Composite was unchanged at 5,901.
  Among the individual shares to rise was jewellery firm Tiffany's after it reported better-than-expected results.
  Strong demand in Japan and China, as well as higher prices, helped an overall rise in sales, but profit fell to $157.8m in the fourth quarter from $163.2m the same time last year.
  Software company Adobe also saw its shares jump 3.8%, also after beating expectations with its earnings.
target: US shares dipped on Friday, as the rally prompted by the Federal Reserve's rate rise paused for breath.