The electric-car maker’s stock has had a bumpy ride since the victory of President Trump, who has given Tesla’s chief, Elon Musk, a role in Washington.
Tariffs, if they are imposed, could boost U.S. production of a valuable resource but also raise costs for automakers, construction companies and others.
The nation’s biggest egg producer has seen rising revenues and profits. Now some Democrats are calling for an investigation into pricing practices in the industry.