While most analysts and industry observers will focus on the lessening year on year plunges in US sales recorded last month (especially by a certain Detroit brand with a blue oval on the building), there was a small but significant change in an important pecking order - Chevrolet's Silverado truck line was nudged back to third highest selling US market vehicle (year to date) by Toyota's Camry sedan, itself kept out of the top slot by 29,390 units of that perennial top dog - Ford's F-series truck line.