Yuan deposits in Hong Kong, the world's biggest offshore yuan centre, fell 0.4 pct to 662.5 billion yuan ($96.22 billion) in October, the Hong Kong Monetary Authority said on Wednesday. Cross-border trade settlement amounted to 309.4 billion yuan for the month, compared with 382.9 billion yuan in September. Hong Kong dollar deposits rose 0.9 percent in October, while overall foreign-currency deposits increased by 0.4 percent.