12.04pm: FTSE 100 and 250 both flattish The FTSE continues to hug close to the flat-line as the Wednesday session moves into the afternoon.. Top risers are Entain, ConvaTec and Antofagasta, all up over 2%, with next in line including Barratt Redrow and Standard Life after their news earlier. Other risers include Anglo American, Smith & Nephew and AstraZeneca. At the other end, Imperial Brands, Burberry, Airtel Africa and Rolls-Royce are leading the fallers, dropping between 2.2% and 1.5%. The FTSE 250 has d ...