Sales of existing houses dropped slightly in February, compared to the same month a year ago. But the Wisconsin Realtors Association says the median price of homes sold by its members still went up by six-percent, as the result of a shortage on the market. Realtors reported selling 35-hundred-66 existing houses last month throughout the Badger State — almost 100 fewer than in February of 2016. The median price was almost 156-thousand dollars, up from 147-thousand the previous year. Realtors’ board chairman Eric Sjowall says February is normally a slow month for home sales — but his group would have expected more sales, considering the low mortgage rates and the strength of the economy.