AutoZone's latest quarter split the market in two directions at once, and the ripple through its rivals says something surprising about how traders are reading the aftermarket retail group right now.

Advance Auto Parts sells parts and accessories for cars, trucks and motorcycles. Online customers can filter search results by the make and model of their vehicle to find parts that fit. In-store ...

For decades, the U.S. and Canadian auto supply chains have been tightly woven together. The trade war is threatening to unravel a complex system.

ZF Transmissions has been in the autoparts business for more than a century, but it didn't grow to its current size without ...