COVENTRY-based black cab manufacturer Manganese Bronze has seen losses widen to almost £4.7m due to accounting errors and a slump in orders to its traditional London market.The firm said an increase in overseas sales had failed to make up for a near 23% fall in UK sales volumes and it was therefore unlikely the firm would return to profit during the final quarter of the year.The announcement failed to make too much of an impact on the stock markets as the AIM-listed company only filed its interim report late on Friday aftern......for the full story register now for free or login below...