According to the bank's latest data, mortgage rates have edged down.
Tips
register
该 here is the formal anaphoric 'said/aforementioned' (该公司 'the said company', 该案 'the case in question'). 该行 in financial reporting almost always means 'the [previously named] bank' — read háng, not xíng. Stiff, journalistic register.
mistakes
行 has two readings: háng ('row, profession, bank/firm') and xíng ('to walk, OK'). For 该行 = 'said bank', it is háng. For 'that line of text', it is xíng.