Mazda Motor Corporation, one third owned by Ford, said on Monday it would suspend operations at its US plant for a week in each of May and July, helping to achieve its forecast 24% increase in net income this year, Bloomberg News said. Other reports said that net profit at Mazda reached 24.1 billion yen ($US206 million) in the fiscal year ended March 31, a rise of nearly twofold from 8.8 billion the previous year.