By Selena Li HONG KONG (Reuters) -HSBC Holdings’ largest shareholder Ping An on Friday urged the lender to aggressively reduce costs by cutting jobs and divesting peripheral non-Asian businesses, the first such public call by the Chinese financial conglomerate. The London-headquartered bank, which makes the bulk of its sales and profit in Asia, has been under pressure from Ping An Asset Management (Ping An AM), to explore options including listing its Asian business to boost returns. Friday’s statement marks Ping An AM’s first public comments on the subject, three months after HSBC pushed back…