AVERAGE island-wide first-storey retail rentals have fallen by 1.2 per cent in Q4 2015, compared to the last quarter, to about S$30.50 per square foot (psf), DTZ data showed on Wednesday. This is the third consecutive decline since Q2 2015. For the whole of 2015, average first-storey rents fell at a faster pace of 5.9 per cent, compared to the slower decline of 0.3 per cent in 2014. "Much of the...