Virgin Galactic tumbles 12% after delaying Saturday's space flight due to 'technical checks'

ReutersShares of Virgin Galactic fell sharply on Friday after the company delayed a flight that was set to launch this weekend. It would have been a second attempt at Virgin's first manned test flight.The aerospace company tweeted it needs "more time for technical checks." Sign up here for our daily newsletter, 10 Things Before the Opening Bell.Virgin Galactic fell as much as 12% on Friday to $52.30 a share after the aerospace company halted plans to launch its test flight this weekend