The stock markets started the fresh week on a flat note on Monday, as investors remained cautious amid continuous foreign fund outflows and valuation concerns. The markets have been underperforming for the past 13 months due to external pressures such as tariffs, foreign institutional investor (FII) selling, and high valuations that have further fueled the selling spree.At the opening bell, the Nifty 50 index was up by 22.30 points or 0.09 per cent at 24,916.55, while the BSE Sensex opened with a gain of 67 ...