The Spanish risk premium fell 29 points from Thursday to 416 points on Friday, official figures showed.
Positive data from the United States revealing a falling unemployment rate boosted stock markets around the world, reported local media. Rumors that Spain may seek a sovereign bailout also boosted investor sentiment in the Spanish stock market in Madrid.
At closing time, the IBEX-35 stock market rose 1.8 percent reaching 7,900 points after being below this figure for eight sessions.
Interest rates of 10-year bonds reached 5.68 percent on Friday, improving from Thursday's figure of closer to 6 percent.
Spanish Minister of Economy and Competitiveness Luis de Guindos on Thursday said Spain would not need a bailout. Local media reported the Euroepan Union might be discussing acting as a guarantor of 20 or 30 percent of Spain's debt.
The EU on Friday added that a Spanish bailout was not imminent.