At 9:42 am, Sensex was up 49 points or 0.06 per cent at 78,103 and Nifty was at 23,709, down 11 points or 0.05 per cent.Nifty Midcap 100 index fell 75 points or 0.13 per cent to 55,294 and Nifty Smallcap 100 index rose 41 points or 0.23 per cent to 18,284.UltraTech Cement, ICICI Bank, L&T...