10Mar10 HK stocks end flat, Cathay Pacific at 20-mth highHong Kong shares trimmed gains to end flat on Wednesday after three straight sessions of gains as investors took a breather after recent strength. Forecast-beating results from CITIC Pacific <0267.HK> and Cathay Pacific Airways <0293.HK> gave support. Hong Kong's dominant air carrier Cathay Pacific rose 4.68 percent to HK$15.20, its highest close since July 2008, after reporting its best half-year earnings in two years. CITIC Pacific rose 7.47 percent, its biggest single day of gain in percentage terms in four months, to a seven-month closing high at HK$18.98. The benchmark Hang Seng Index ended up 0.74 points at 21,208.29.