Karachi: Young investors are showing growing interest in Pakistan Stock Exchange (PSX).According to Radio Pakistan, over one hundred and eighty thousand new retail investors registered with Pakistan Stock Exchange during the period between August and May. Investors aged eighteen to thirty accounted for forty-one percent of all new registrations, with 74,629 young investors joining the market.Pakistan Stock Exchange is adding an average of fifteen thousand new accounts every month, with around forty percent belonging to young investors. Over the past three years, Pakistan's stock market delivered an average annual return of sixty-six percent in US dollar terms, which is the highest in the region.