Wall Street slips on world economy jitters

U.S. stocks fell slightly on Wednesday after Moody's downgrade of Portugal's credit rating to "junk" and China's interest rate rise sparked jitters about global growth prospects. The downgrading of Portugal's credit rating

Cyprus-Ukraine tax deal by October

 * Bilateral trade reaches $300 mln; investments total $17.5 bln * A double-taxation avoidance agreement with Ukraine is currently being drafted and is expected to be signed by October of this year,