Tesco Clubcard and Sainbury’s Nectar schemes do help consumers, regulator says Retail A year-long probe into UK supermarkets’ pricing practices has found “very little” evidence that shoppers are being treated unfairly with loyalty programmes such as the Tesco Clubcard scheme and Sainsbury’s Nectar points. The Competition and Markets Authority (CMA) probe, which has been ongoing since November last year, investigated whether supermarket loyalty schemes cause inflation by faking the [...]