In: Economics
Firstly the full form of SEC is securities and exchange Commission.
SEC is defined as the federal government agency (USA) which is established for regulating and enforcing federal laws.
SEC are engaged in Nemours activities for people welfareness and for this he prohibited some wrongs activities
Firstly he prohibited commercial speech which are not good and false in nature to attract people for investment.. Or for trade.
Secondly he strictly make laws and punishment for frauds to protect investor..
Third he start to aware about people who are intrested in investment about unfair dealing through advertisement and warned who do unfair dealing with intention to ditch investor.
Insider trading is also banned by SEC because in the insider or private trading lots of people smuggling of banned things in country.
So here are some activities form numerous prohibited activities which SEC PROHIBITED for investor and for illegal person too.