TOKYO — Toyota Motor Corp. nearly doubled its operating profit in the latest quarter, as the world's biggest automaker ramped up supply on free-flowing semiconductor shipments and shifted sales into high gear in major markets, led by Japan.
In the latest three-month period, from April-June, Toyota's operating profit soared to 1.12 trillion yen ($7.75 billion), from 578.6 billion yen ($4.00 billion) a year earlier.
But Toyota also warned in Tuesday earnings announcement that lagging performance in the important North American market is undermining investment in electric vehicle production.
Operating margin in North America, the company's top market, languished at 3 percent in the quarter, below that in other regions, such as 14 percent in Japan and 6.3 percent in Europe.
"We are not satisfied with an operating profit margin of 3 percent in North America, and we need to raise this more," a Toyota official said. "As we will be making battery…