11. In the Treasury bill market , the key risk is whether Ukraine's currency will remain stable. 12. Analysts said end-of-quarter buying helped support the bill market , which generally outperformed the longer maturities. 13. Japan's treasury bill market , however, can't quickly expand. 14. The secondary T-bill market has been in a stupor because of a lack of investor interest. 15. Investors fleeing from emerging markets have withdrawn $ 4 billion from the Russian treasury bill market . 16. Expectations of a stable Egyptian pound are attracting foreign investors to the Egyptian Treasury bill market . 17. The central bank decided to increase foreign investors'access to its treasury bill market , a senior official said. 18. Vietnam's first attempt this year to revive its struggling treasury-bill market failed to attract any foreign buyers. 19. They have already moved to withdraw some $ 4 billion from the Russian treasury-bill market , Central Bank officials said. 20. The U . S . Treasury bill market is the most active and liquid debt market in the world.