North Korea has recently increased the intensity of its rhetoric. John Hudson looked at the companies who may well be thankful for this:

• Lockheed Martin, Boeing, EADS, and BAE Systems are all trying to sell fighter jets to South Korea. Recent events only make their business case more attractive.
• The rise of drone aircraft has led to a “robotic alliance” between the US, Australia, Japan, and South Korea. Seoul sees them as valuable tools to ward off the threat from North Korea.
• Missiles can cost up to $80,000 a piece, and since South Korea may soon have to replenish its stocks, the share price of firms that produce them have rocketed up.

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Source: Foreign Policy