Index sees biggest risein 6 weeks

SHANGHAI - Mainland stocks rose, driving the benchmark index to its biggest gain in six weeks, as a US pledge to keep interest rates low boosted commodity prices and investors speculated recent equity declines were excessive.

Jiangxi Copper Co climbed 2.7 percent and Aluminum Corp of China Ltd gained 2.2 percent. Poly Real Estate Group Co paced gains among developers amid optimism over the industry's outlook.

Ping An Insurance jumped the most in four months after the mainland and Taiwan agreed to allow investments in their financial industries.