Might indicates a lower degree of possibility or a tentative assumption about the future. (Example: "If we finish our work early, we might go to the movies
May is used to express a reasonable possibility or to grant formal permission. (Example: "It may rain later today, so take an umbrella.")
The Department of Commerce and Management organised a seminar on Corporate Equity to explain equity shares, shareholders' rights, share capital and the importance of equity in corporate financing. The seminar enhanced students' knowledge of corporate ownership, investment and financial markets.