Sainsbury's 'uncertain' on future prices as its costs rise

Sainsbury's has warned the impact of the falling value of the pound means the outlook for its prices is "uncertain". The country's second-largest supermarket chain used its half-year results to say that while it would continue to cut prices currently, it could not guarantee the era of grocery price deflation would last next year as cost pressures rise. It reported a 1% dip in store sales in the six months to 24 September with trading profits hit by that and also weaker margins amid an industry&n