In recent years, purchasing managers indexes have become important indicators of where the global economy might be heading. But in the current slowdown, where small businesses were some of the hardest hit, PMI numbers may not be telling the full story. WSJ explains. Photo: Getty Images BERLIN—The global auto market is splitting three ways, complicating efforts by the industry’s main players to recover from their deepest crisis in years. While sales in post-lockdown China are showing signs of recovery, they are continuing to fall in the U.S., according to company and industry data released in recent weeks. The data also show that Europe is becoming the world’s weakest-performing auto market. This…