Key events under former Ford CEO Mark Fields

Ford Motor Co. announced Monday that President and CEO Mark Fields was retiring from the company and will be replaced by Ford board member Jim Hackett.

Ford starts production of a new F-150 pickup with aluminum sides, which saves weight and fuel economy.

Ford ends the year with a 15 percent share of new vehicle sales in the U.S., its biggest market.

The company shocks the Detroit auto show with its new GT supercar.

The company promises to create or retain 8,500 U.S. factory jobs and invest $9 billion in U.S. plants.

[...] its stock price falls to $11.94 on investor worries that the U.S. market is peaking.

Presidential candidate Donald Trump criticizes the move, even though Ford plans to put new vehicles into the Michigan plant.