Toyota maintained record global sales during the first half of the fiscal year, as growth in the U.S. helped counter a lukewarm showing in Japan and China. Global sales — including subsidiaries Daihatsu Motor and Hino Motors — increased 5% in the April-September period from a year before to 5,643,042 units, a record for that six-month period. Sales rose almost 3% in September from a year earlier to 949,153 units, the company said Monday. Production grew 9% to 1,036,106. The world’s biggest