SPECIALIST engineering company Key Technologies PLC has reported an increase in half year profits, posting a 9.4 per cent growth in underlying pre-tax profit to £1.37m in the six months ending in December 2009. The company is chaired by David Grove, whose Grove Industries group has a controlling interest.Revenue rose to £11.82m, an increase of 15.7 per cent compared with the £10.2m reported for the comparable period in 2008.  In reporting its trading results today, the company also announced an interim divide......for the full story register now for free or login below...