The Indian rupee appreciated 15 paise to 73.59 against the US dollar in opening trade on Tuesday, tracking the weakness of the American currency in the overseas market. At the interbank foreign exchange, the rupee opened at 73.74 against the dollar, then edged higher to 73.59, up 15 paise over its previous close. On Monday, the rupee had settled at 73.74 against the US dollar. Meanwhile, the dollar index, which gauges the greenback's strength against a basket of six currencies, fell 0.09 per cent to 93.19. Foreign institutional investors were net buyers in the capital market on Monday as they purchased shares worth Rs 92.54 crore, as per exchange data. On the domestic equity market front, BSE Sensex was trading 73.95 points or 0.13 per cent lower at 58,416.98, while the broader NSE Nifty declined 1.30 points or 0.01 per cent to 17,395.60. Meanwhile, global oil benchmark Brent crude futures rose 0.88 per cent to USD 74.57 per barrel. According to Anil Kumar Bhansali, Head of Trea Read more