Approximately 100,000 U.S. aluminum industry jobs could be on the chopping block due to tariffs targeting the metal, according to Alcoa Chief Executive William Oplinger.The Pittsburgh-based aluminum company estimates that a 25% tariff on aluminum imports would result in about 20,

(Reuters) -Aluminum producer Alcoa said on Tuesday that U.S. President Donald Trump's plan to impose a tariff on aluminum imports could cost about 100,000 U.S. jobs and would itself not be enough to entice it to boost production in the country.