Home prices jumped nearly 20% in February, but slowdown may be coming, S&P Case-Shiller says

  A “For Sale” sign is seen in front of a home in Miami, Florida. Joe Raedle | Getty Images Home prices increased 19.8% in February year over year, according to the S&P CoreLogic Case-Shiller national home price index. That is up from the 19.1% annual increase in January and is the third-highest reading in…