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 .

[kmus]

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 .

"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 practices and structure.
This research explores credit derivatives through CDS and their effects on financial stability and on generating systemic risk."
I put correction in red.
Comment: I think it is not a good idea to use acronyms in the abstract, or at least you
should spell it out again in the introduction. good luck.

[koukassa]

thank u my brother, rabi yjazik

[kmus]

(continue)

I think it is more appropriate to briefly define CDS in the abstract.
Also, I have never came across a scholarly paper where the authors say "in this research".
Instead, "in this paper" is commonly used.
If your paper is about CDS only, it makes sense to rephrase the last sentence as:
"This paper explores CDS and their effects on ..."