Lockheed Martin's quarterly profit rises, shares up

Lockheed Martin LMT.N shares rise 3.2% to $473.07 premarket

LMT quarterly profit rises on resilient defense demand

LMT's Q1 revenue rises 4.5% from a year earlier to $17.96 bln

Co posts Q1 profit of $7.28 per share, compared to $6.39 per share a year earlier

11 of 25 brokerages rate the stock "buy" or higher, "hold" and 1 "sell"; their median PT is $520

As of last close, stock had fallen 5.7% YTD