The private corporate sector showed improvements across various segments in the third quarter of the current financial year (Q3FY25), with the operating profit margin of listed non-financial companies increasing sequentially by 50 basis points (bps) to 16.2 per cent, according to the Reserve Bank of India (RBI) data released on Monday.Sales of listed private non-financial companies increased by 8.0 per cent during Q3FY25, compared to 5.5 per cent in the corresponding quarter a year ago. It was, however, 5.4 per cent in Q2FY25.