Zephyr, an unmanned aerial vehicle developed by UK firm QinetiQ, has flown continuously for more than a week; and the HB-SIA, a solar-powered plane developed by Swiss company Solar Impulse ...

QinetiQ Group (LON:QQ.) has had a rough three months with its share price down 16%. But if you pay close attention, you might gather that its strong financials could mean that the stock could ...