The markets are likely to open on a positive note this morning in a holiday-shortened week.Global cues are positive, and the Asian markets are largely trading with gains.According to technical analyst Devangshu Datta, with Nifty crossing a vital zone of resistance, and the intermediate trend up for eight weeks, the outlook remains bullish. The target now would be 3450 with a major resistance in the 3350 range before it achieves that target.