The United States economy has dramatically bounced back during the second-quarter when the GDP came in with results that is higher than expected.

The Bureau of Economic Analysis released its 2014 second quarter estimate of real gross domestic products, which showed the GDP of U.S. to be increasing at a rate of 4 percent annually.

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The resulting GDP was higher than the 2013 rate of 2.1 percent and is greater than what economic analysts have predicted.

Michelle Meyer, Bank of America Merrill Lynch senior economist, said the report about the GDP shows a big rebound on the economy and can support the forecasts of economists that there will be more than 3 percent GDP growth in 2015.

The increase in GDP was recognized by officials of the Federal Reserve but they said that labor markets should not grow complacent even with the positive trend in the economy.

Joseph Lake, U.S. analyst for The Economist Intelligence Unit, said the GDP result revealed that the U.S. economy is slowly but surely getting back on its feet as shown by several business market indicators over the past months.

A large portion of the increase in the country's GDP can be attributed to several business investments, personal expenditures, exports, government spending and general investments, among others.

The GDP gain is not a guarantee that the United States will finally be able to bounce back full time after years of weak performance, but the increase in employment and employment opportunities which create business confidence are good signs, Plante Moran Financial Advisors CIO Jim Baird said.

The second estimate of U.S. real gross domestic product for the second quarter will be released by the Bureau of Economic Analysis on Aug. 28.