By Marie Mannes STOCKHOLM (Reuters) -Volvo Cars beat third-quarter profit forecasts on Thursday, despite tariffs and tough competition, as sweeping cost cuts delivered faster than expected results, sending its shares more than 25% higher. The company, based in Sweden but majority-owned by China's Geely Holding, said it made an operating profit before one-off costs of 5.9 billion Swedish crowns ($627 million) in July-September, smashing analysts' consensus forecast of 1.6 billion crowns, according to Bern ...