The US economy appears to be improving. For the first time in its history, the Standard & Poor's 500 market index closed above 1,700 points. And the number of Americans filing for unemployment benefits is the lowest since 2007.

But there is also evidence that some of the Wall Street behaviour that led to the 2008 financial crisis is happening again. Five years on, Standart & Poor's is once again being accused of inflating credit ratings.

Al Jazeera's Kristen Saloomey reports from New York.

Source: Al Jazeera