The number of sales slipped from the year-ago period but remained consistent with historical norms for a fourth quarter. There were 658 sales in the final quarter of 2020, down 2.7% from the prior-year quarter. Sales were 6.2% below the 701 fourth-quarter average for the decade, as the market pulls itself out of the COVID lockdown era. While listing inventory surged 66.9% to a nine-year high coming out of the lockdown era, listing inventory plunged 46.1% from the prior quarter to 606 as the market moved towards normal seasonal patterns…