US home prices rose in October at a slightly slower pace, as real estate sales have fallen and affordability has increasingly become a challenge for potential buyers.

The Standard & Poor’s/Case-Shiller 20-city home price index increased 4.5 per cent in October from 12 months prior. The figures reported Tuesday mark the eleventh straight month of price gains decelerating and the smallest gain since October 2012. The slowdown in price growth comes after surging double-digit increases for much…