Should You Buy Lockheed Martin While It's Below $600?

Does the recent dip in the share price make it attractive, given the risk/reward outlook?The recent results from defense contractor Lockheed Martin (LMT -0.16%) led to a sharp sell-off in the stock, and it now trades sharply below the $615 level it was at before its release. Is this a buying opportunity or a potential value trap? Here's the lowdown.Lockheed Martin's big newsDefense contractors are typically seen as safe investments. After all, it's hard to find a more reliable customer than the U.S. governm ...