DETROIT – Since spearheading a merger to create Stellantis in 2021, CEO Carlos Tavares has been on a cost-cutting mission. That's beginning to pay dividends for the company and investors.How the trans-Atlantic automaker expects to keep that momentum amid uncertainty surrounding all-electric vehicles and increasing competition from Chinese automakers is expected to be in focus this week as Tavares leads the automaker's investor day Thursday.Tavares and other executive are expected to address Chinese competit ...