As the war in the Middle East rages on, shareholders of legacy defense major Lockheed Martin (LMT) should be a happy lot. The stock is up almost 30% on a year-to-date (YTD) basis and looks set for further appreciation as mixed signals continue to emerge about the cessation of the ongoing conflict. Thus, even amid talks of a ceasefire, prudent investors should continue to hold on to the shares of a critical defense player like Lockheed Martin. www.barchart.com Why? Apart from being a major bulwark for the ...