– By Nathan Parsh Shares of aerospace and protection firm Common Dynamics Company (NYSE:GD) have declined 18.5{5667a53774e7bc9e4190cccc01624aae270829869c681dac1da167613dca7d05} year-to-date and sit greater than 24{5667a53774e7bc9e4190cccc01624aae270829869c681dac1da167613dca7d05} off the 52-week excessive. The corporate’s aerospace…