The Indian rupee opened on a flat note and inched higher by 2 paise to 73.66 against the US dollar in opening trade on Wednesday. The domestic unit was trading in a narrow range as the US dollar regained strength ahead of the release of US inflation data. Moreover, high crude oil prices also restricted gains in the rupee, forex traders said. At the interbank foreign exchange, the rupee opened at 73.68 against the dollar, then inched higher to 73.66, up 2 paise over its previous close. The local unit touched an intra-day low of 73.71 in initial deals. On Tuesday, the rupee had settled at 73.68 against the US dollar. The dollar index, which gauges the greenback's strength against a basket of six currencies, rose 0.01 per cent to 92.63. Foreign institutional investors were net buyers in the capital market on Tuesday as they purchased shares worth Rs 1,649.60 crore, as per exchange data. On the domestic equity market front, BSE Sensex was trading 230.27 points or 0.40 per cent highe Read more