Ministers shelve plan for small companies to file profit and loss accounts■ Alex Depledge quits Treasury and tells Healey founders are no sideshow■ HMRC expects £12.9bn of tax debt to go uncollected, NAO says■ OpenAI cuts valuation by $150bn to $1.25tn after investor pushback■ Retail sales fall 0.4 per cent as households cut back on food■ IoD backs Government red tape cuts but urges care over cumulative load■