Due to massive worries about the complex debt crisis situation in the euro zone, investors are more interested in obtaining save haven currencies, therefore, the national currency of the United States is still continuing its longest winning streak since the year 1985, even though it faced a small decline this Friday. The ICE index of the greenback, which indicates dollar's relation to six major peers, on Thursday has appreciated from 81.454 to 81.487 in North American market. As was stated in FactSet Research, the increase is among the highest of dollars fourteen-day long road of gains, a period during which the currency has gained in value about 3.7 per cent in overall.