stellantis ©Stellantis Stellantis N.V. (NYSE:STLA) shares declined more than 6% on the Italian stock market on Thursday after the automaker posted a return to profitability in the first quarter of 2026, though analysts at Jefferies said a tariff-related accounting adjustment masked underlying weakness in North America — a key region for the company’s recovery strategy. Adjusted operating income came in at €960 million, representing a 2.5% margin and exceeding analyst expectations of €696 million and a 1 ...