Rupee extended its downward rally on Tuesday, slipping to a record low of 90.83 against the US dollar. The currency began trading on a weak note, opening 0.1% lower at 90.79 against Monday’s close of 90.73, as continued foreign fund outflows and trade-related uncertainty weighed on the domestic currency.The muted opening follows a sharp sell-off in the previous session, when the rupee slid to an...