Answer: II. stabilization of new issues
III. registration of exchanges
IV. registration of broker-dealers
Step-by-step explanation:
The Securities Exchange Act of 1934 was put in place in order to be in charge of security trading.
From the options, those that are covered under the Securities Exchange Act of 1934 include the stabilization of new issues, the registration of exchanges and the registration of broker/dealers.
It should be noted that the Securities Exchange Act of 1934 does not cover the registration of new issues.