BEIJING : China’s banking watchdog said on Tuesday that banks ought to offer financial support for home buyers with so-called “rigid” demand, referring to purchasing or renting from those recently married or seeking low-cost housing. Banks should implement differentiated mortgage polices and down-payment requirements, the China Banking and Insurance Regulatory Commission (CBIRC) said in a statement, avoiding inflexible rules that penalise non-speculative, legitimate home buyers. Speculators have stoked Chinese real estate prices in recent years, prompting authorities to roll out restrictions including curbs on borrowing, seeking to control a build-up in financial risks in the property sector. The curbs have…