Austerity chic fashion chain Primark and the budget supermarket Aldi yesterday revealed a sales boom as the cost of living squeeze shakes up the high street. Sales at Primark were up 24per cent for the first half of its financial year, helped enormously by the appeal of its £5 denim shorts and £3 crop tops to teen girls. While the figure at Aldi rose by 31.1per cent as middle income Britons traded down from major supermarkets in search of bargain wine, fresh coffee and even lobster. Sales soaring: Primark saw a 24 per cent growth in sales in the first half of this year. The news sent shares in the parent company soaring 8 per cent today The longest squeeze on living standards in a century, with price rises outpacing increases in incomes, has triggered a radical shift in shopping habits. More... Primark discomforts struggling rival M&S with sparkling sales performance as it keeps winning on the High St Bottle of gin from Aldi costing just £10 beats well known rival brands in