In part 1 of the series, @Karthik explained the various career opportunities in corporate finance, investment banking, public markets, and private markets. If you missed part 1, you can watch it here.
In part 2, he talks about career opportunities in investment banking. Think of investment banks as financial supermarkets. They help companies in everything from raising equity financing, debt financing, mergers, acquisitions, and IPOs. Given the wide array of activities of an investment bank, there are multiple career opportunities in investment banks and In this video, we look at them 
Having a good understanding of the financial markets is a must if you want to have a career in finance. The best place to start learning is Varsity of course. You can learn at your own pace and post a comment at the end of a chapter if you have any queries:
If you want to put your stock market knowledge to the test, you can take the Varsity Certification test here: