When President Trump last week criticized General Motors Co.’s effort to produce ventilators, GM executives were flabbergasted. They felt the company was being unfairly targeted by the president, say people familiar with their thinking.

GM had begun collaborating with a ventilator company a couple of weeks earlier. It had mobilized more than 1,000 employees and nearly 100 auto suppliers to start making the machines, which can be used to help patients with the disease caused by the new coronavirus.

Read More