plz correct this text for me

[koukassa]

assalam alaykoum
please i want you-great people- to take a look to this text and correct it for if there's any mistakes or if sentences make no sense...plz it's an abstract of an article:

One of the most important financial developments in the recent decades is credit derivatives as they revolutionized risk management trends.
The market of Credit Default Swaps CDS (the main type of credit derivatives) has experienced an explosive growth in the past. CDS have Existed since the early 1990’s and the market size increased tremendously to reach its peak at the end of 2007. The recent global financial crisis has revealed some shortcomings in CDS market practises and structure.
This research explores credit derivatives through Credit Default Swaps and its effects on financial stability and on generating systemic risk .