Mumbai, Nov 21 (Reporter) The rupee on Thursday opened at an all-time low of 84.42, easing one paisa against USD following rising demand for US dollars from foreign banks and importers, dealers at the foreign exchange said. The local unit was seen under pressure owing to strong dollar against other world currencies amid a negative equity market in the opening session, traders informed. The rupee recorded intraday high and low at 84.38 and 84.43, respectively, the dealer added...////...