Report analyzes results of the last week before U.S. trade tariffs were set to take effect.

Spring wholesale season continues its bang of a beginning.

Larger-than-normal increases distinguished last week's market.

Black Book was monitoring the effect of trade tariffs and consumer tax refunds on used-vehicle prices.

Signs of the nearing spring appeared in wholesale market last week.

Subcompact cars have consistently seen high depreciation, including last week.

The estimated used retail days-to-turn is now at about 44.

Depreciation proved normal for the early part of the year last week.

Wholesale market is stabilizing, based on last week's activity.

Auction inventory increased last week, conversion rates were high, and depreciation slowed.