An investment fund in Italy said it had agreed to buy 37.5 percent of British luxury sports carmaker Aston Martin for $245.7 million. The stake will be purchased by Andrea Bonomi\'s InvestIndustrial in a deal with Aston Martin\'s parent company, Kuwaiti investment group DAR, ANSA reported Friday. InvestIndustrial is the group that sold motorcycle company Ducati to Audi in April, the news agency said.