text: The S&P 500 climbed 8.7 points to 2,049.29, as it ended the day above where it had closed at the end of 2015.
  The Dow Jones was up 117.59 points to 17,599.08, having itself moved into positive territory for the year on Thursday.
  Meanwhile, the tech-based Nasdaq rose by 20.66 points to 4,795.65.
  Investors remained positive after Wednesday's Fed decision to maintain interest rates between 0.25% and 0.50%.
  The Fed also signalled that there would be fewer 2016 rate rises than previously expected.
  The news helped raise banking stocks. Goldman Sachs shares climbed 3.1%, while JP Morgan gained 2.9%.
  Microsoft was one of the Nasdaq's main movers, losing 2.4%.
target: (Close): Wall Street markets rose on Friday, extending the previous day's rally and bringing the S&P 500 into positive territory for the year.