By Alex Daniel, PA Business Reporter & Lawrence Matheson Currys has raised its profit expectations for the year, following a return to sales growth. The electronics chain now expects pre-tax profits to be at least £115million for the year ending April 27, up from previous analyst expectations of £105million. This comes after a period of underwhelming sales for the retailer, which sells everything from TVs and mobile phones to kettles and dishwashers. The company had previously noted that the cost-of-living crisis was impacting demand for its more expensive items. However, like-for-like sales g…