1. Ark said it plans to handle the unlisted stocks of about 20 companies. 2. It is hard to deny the allure of these unlisted stocks . 3. Most unlisted stocks have historically been held by wealthy, sophisticated investors. 4. Capital gains tax for shares of unlisted stocks remains at 5 % and 10 %. 5. But the quaint names _ for various types of unlisted stocks _ can mask big dangers. 6. Never mind that for every winner among unlisted stocks , there are numerous failures, the stocks'enthusiasts seem to say. 7. The 29 taxpayers include 14 business owners who made " founder's profit " by selling their unlisted stocks . 8. Only companies with free float at least 15 % are included, value of unlisted stock classes is excluded. 9. The new company will offer products such as hedge funds and funds enabling clients to invest in unlisted stocks . 10. The government will also permit mutual fund management companies to include unlisted stocks on investment products, effective Sept . 1.