The Motley Fool: Foolish Trivia

The first five correct answers out of the hat win a copy of 'The Motley Fool UK Investment Guide'.

Which company specialising in flat speaker technology announced a joint venture with the Defence Evaluation & Research Agency, which sent its shares flying last week?

Answers by email to: or by post to: Motley Fool, 79 Baker Street, London W1M 1AJ.

Last week's answer: The General Electric Company (GEC) has become Marconi.