Hong Kong's Hang Seng index traded lower on Thursday as investors returned from national holiday and digested news about Fed's decisions and the situation in Spain. Hang Seng index dropped 0.95% or 197.98 points and finished at 20,593.00. Banks faced a relatively weak session. Bank of Communications fell 3.2%, Bank of China lost 1.6% and Agricultural Bank of China sank 2.6%. Falling commodity prices sent Aluminum Corp of China and Jiangxi Copper Co 0.3% and 1.2% lower.