The Australian reports that National Australia Bank has signed a memorandum of understanding with China National Agricultural Developmwnt Group Corp, which is China's biggest agribusiness group. NAB hopes the agreement will help its agribusiness customers make connections in the region. The bank will assist CNADC with debt capital markets actvities and other services.Roy Morgan Research has asked the financial decision makers in professional services companies if they do their personal banking with the same bank that handles their company's finances. Commonwealth Bank got the highest loyalty score, at 90 per cent, followed by ANZ (80 per cent), Westpac (77 per cent) and National Australia Bank (75 per cent). Roy Morgan also estimated that Commonwealth has the highest penetration in the professional services sector, at 28 per cent, followed by Westpac (24 per cent), NAB (21 per cent) and ANZ (18 per cent).The Australian Securities and Investments Commission has banned a Perth finance broker for three years after it found that he falsified documents to support his clients' loan applications. Mathew Schmelzkopf created unauthorised tax invoices to accompany 13 separate loan applications. ASIC also placed conditions on the credit licence of Schmelzkopf's employer.