Republican presidential candidate Donald Trump holds up a key to the city he brought onto the stage with him as he speaks at a campaign rally Monday, March 7, 2016, in Madison, Miss. Brynn Anderson AP
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Trump has previously lashed out at Apple for shipping most of its manufacturing jobs overseas: In January he told students at Liberty University that his administration would get the company “to start building their damn computers and things in this country, instead of in other countries.”

CARRIER: Trump often cites a surreptitiously filmed video that shows a Carrier executive telling employees that the heating, cooling and air-conditioning giant is relocating its Indianapolis plant – and 1,400 jobs – to Monterrey, Mexico. Trump says he won’t buy any more Carrier air conditioners – “now I buy Trane” – and he pledges that as president he’d slap a 35 percent tax on Carrier imports into the United States.

They’re going to make air conditioners, they’re going to sell them across the border, probably have illegals walk them in because it’s cheaper that way. Every illegal gets an air conditioner, walks across.

Donald Trump on Carrier

He accuses Ford of following suit: “They’re building a $2.5 billion plant and they’ll have illegals drive the cars across the border. It’s very sad. . . . We can’t afford to allow it happen anymore.”

He’s said he’d tax Ford for every car and truck that crossed the border, though it isn’t clear that Trump could single out either company for such a tax.

In South Carolina, home to a prized Boeing plant, Trump warned that the jobs producing the company’s Dreamliner might soon be sent to China.

“Everyone loves Boeing today, but talk to me about Boeing in five years,” he said at a rally in Walterboro, South Carolina. “Unless I’m elected president; then you’ll be OK.”

MACY’S: One of Trump’s longest-running feuds, it began when the department store severed ties with Trump last summer, announcing it would stop carrying his signature fragrances, satin neckties and shirts to protest his controversial remarks about Mexican immigrants.

Trump called the company “extremely disloyal to me” and called for a boycott, retweeting his supporters who said they were cutting up their Macy’s credit cards.

“Don’t shop at Macy’s. In my opinion they don’t have the best interests of our country in mind,” he said at a February rally in Sparks, Nevada. “They’re more interested in being politically correct, and political correctness is killing this country; remember that.”

When Macy’s announced in January that it would close some stores and eliminate thousands of jobs after a disappointing holiday shopping season, Trump took to Twitter to celebrate.

January 7, 2016