Supermarket chain J Sainsbury said Wednesday that its same-store sales increased by 5.4 per cent during the fiscal second-quarter of the year ended October 3.

J Sainsbury said it performed well in a challenging consumer environment; however it warned that growth could slow down in future as inflation eases.

Justin King, CEO of the Sainsbury, said the company was "well-positioned going forward."

The firm has witnessed its same-store sales growth down from 7.8 per cent in the previous quarter.

It was also slightly lower than a projection of 5.6 per cent made by group of 11 analysts.

On the other hand, UK's biggest retailer, Tesco, posted a rise of 3.1 per cent in its like for like sales for the period of 13 weeks ended August 29.

Sainsbury stock has been flat since January. In the recent trading, shares in Sainsbury closed at 323p, valuing the grocer at £5.97 billion.