Shares of security and Aerospace company Lockheed Martin (NYSE:LMT) fell 7% in the afternoon ... down 5.7% from previous close. The stock market overreacts to news, and big price drops can present ...

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In the latest trading session, Lockheed Martin (LMT) closed at $448.64, marking a +0.43% move from the previous day. The stock's performance was ahead of the S&P 500's daily gain of 0.38%.