For years, Porsche was the showpiece of the Volkswagen group-a brand that booked record winsts with luxurious sports cars. But that glorious position suddenly seems far away. In the second quarter, the operational profit spectacularly plunged by 91 percent, German media report. Disappointing sales in China, high costs in the US and a difficult switch to electric driving push the once profitable sports car builder to a painful reality check.

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