Chinese car maker BYD Co Ltd, backed by US billionaire Warren Buffett, said on Wednesday that it sold 32,515 cars in June, down 8 percent from the same month last year.

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The June sales were lower than 41,051 units sold in May and 35,400 sold in June last year, the company said in an email.

BYD's Hong Kong-listed shares closed down 3.2 percent before the sales data was released, underperforming a 1 percent drop by the main Hang Seng Index.