They epitomized the Allied force's supremacy in planning and running a high tech war. It homed in on a heat source such as the exhaust of an airplane engine, and pursued it relentlessly. Very few targets escaped its destructive intent. For a while, it was the ultimate air combat weapon. Just as military strategists search for weapons that can reliably seek and destroy enemy targets, investors look for sure proof methods of buying and selling stocks.
Many investors apply the concepts of fundamental analysis.
They analyze a company's business, its financial data, the economy, and other factors. They buy a stock when they are convinced they have found a bargain. They believe that undervalued stocks are recognized ultimately by higher prices, and are willing to wait a long time to be proven right. Other investors are far less patient. They don't care a whit about a company's fundamentals or holding a stock for the long-term.