Major findings in the monthly report note, which can be downloaded on nada.com:
June auction volume returned to 'normal' levels after May's 'unusually' low performance.
Pricing declined in May, falling by an average of 1.9 percent.
Retail depreciation remained calm.
Monthly depreciation ran 0.7 percent milder than in 2016.
Medium duty market retrenched in May.
Volume was mixed for the month.
Chris Visser, senior commercial truck analyst at J.D. Power Valuation Services said, "Volume of the most common sleeper tractors sold at auction increased greatly in June after a poor showing in May."
"We saw the pricing of our benchmark model decrease 2.8 percent compared to last month, which is a little higher than we expected," he said. "The drop is much less dramatic than what we saw in May."
