Stellantis (NYSE:STLA) shares are trading lower on Thursday. The automaker reported Wednesday total U.S. sales of 305,294 vehicles in the third quarter of 2024. That’s down 20% year over year. Matt Thompson, head of U.S. retail sales at Stellantis North America, mentioned that an aggressive incentive program launched at the start of Q3, combined with significant competitive updates in August and September, led to a reduction of dealer inventory by over 50,000 units, marking an 11.6% decrease by the end of the quarter. According to the FIM-CISL union, Stellantis’ vehicle production in Italy wou…