The rupee had ended 47 paise higher at 60.14 against the US currency in the previous session.
Forex dealers said besides dollar's gains against euro in the overseas markets on worsening euro-zone debt crisis amid growing fears that Spain may need a full bailout, a weak opening in the stock market also put pressure on the local unit.
The rupee extended its losses and slumped 10 paise to close at a record low of 77.72 (provisional) against the US dollar on Thursday, weighed down by a negative trend in domestic equities and unabated foreign fund outflows. At the interbank foreign exchange market, the rupee opened lower at 77.72 against the greenback, and finally settled for the day at 77.72, down 10 paise over its previous close. During the trading session, the rupee touched an intra-day low of 77.76 and a high of 77.63.
Forex dealers attributed the rupee's fall to increased dollar demand from importers amidst rising global crude prices
At the Interbank Foreign Exchange market, the local unit commenced strong at 54.40, which was also to be the day's high, as against previous close of 54.57.
The rupee had rose by a staggering 80 paise, its biggest single-day gain in last nine months, to close at 59.39 amid signs of strong fund inflows on Friday.
The rupee had closed flat at 54.85 against the US dollar in Tuesday's trade amid RBI keeping key rates unchanged in the mid-quarter policy review.
Traders will watch out for any Reserve Bank of India intervention to prevent the rupee from weakening further.
The rupee on Thursday closed at its all-time low of 78.32 (provisional) against the US dollar as strong American currency and persistent foreign fund outflows weighed on investor sentiments. At the interbank foreign exchange market, the local currency opened at 78.26 and finally settled at its all-time low 78.32, unchanged from its previous close. On Wednesday, the rupee declined by 19 paise to settle at an all-time low level of 78.32 against the US dollar.
At the Interbank Foreign Exchange market, the domestic unit resumed lower at 54.42 a dollar from last weekend's close of 54.28 and declined further to a low of 54.52 on initial hesitancy in share markets and dollar demand from importers, mainly oil refiners, and some banks.
The rupee had lost 23 paise to end at 54.09 in Tuesday's trade due to month-end dollar demand.
Strength in dollar against some other currencies overseas weighed on the rupee
A sluggish dollar movement in overseas markets and continued capital inflows restricted the rupee fall to a major extent, forex dealers said.
At the Interbank Foreign Exchange market, the local unit commenced weak at 54.52 and immediately touched a low of 54.75 on early hesitancy in domestic equities amid sustained dollar demand from importers.
Forex dealers say dollar rose against the euro after the European Union cut its economic growth forecast.
The rupee on Wednesday dropped by 73 paise to 61.20 in the late morning deals on persistent month-end dollar demand from importers on the back of strengthening in the US currency overseas.
The local currency, which had plunged to an all-time low of 55.39 on Tuesday, crashed to 55.82 at the Interbank Foreign Exchange market in early trade.
Forex dealers said besides dollar gaining against other currencies in the global markets, a lower opening in the domestic equity market also, influenced the rupee.
The rupee had gained 5 paise to end at 55.62 against the dollar on selling of the American currency by exporters in Wednesday's session.
The dollar index was up by 0.10 per cent against a basket of six major global rivals, ahead of a slew of data that could offer more evidence on whether an economic recovery is under way in the US.
Rupee had last ended at 54.81-level a dollar on April 5.
The dollar index was last trading up by 0.04 per cent against a basket of six major global rivals.
Nifty futures traded in Singapore were trading down 0.8 percent in line with other emerging Asian markets.
Snapping a five-day downward march, the BSE benchmark Sensex on Wednesday shot up by 187.97 points to 18,414.45.
Weak domestic shares and foreign institutional investors' selling about 39 billion rupees of index futures in the last four trading sessions weighed on the rupee, dealers said.
Foreign institutional investors sold domestic shares worth USD 8.36 million (Rs 45.41 crore), according to provisional BSE data.
At the Interbank Foreign Exchange market, the domestic currency commenced weak at 55.68 a dollar from Monday's close of 55.57 against the dollar.
In New York, dollar erased most of its losses on last Friday after the euro briefly jumped following more comments from European Central Bank President Mario Draghi about policy options.
The dollar index recovered its early losses and was trading up by 0.11 per cent against a basket of six major rivals.
The rupee fell to a record low of 59.9350 to the dollar, breaching past its all-time low of 58.98 on June 11.
A higher opening in the domestic equity market and a weak dollar against other currencies overseas on a string of disappointing US data last week also supported the gain in the rupee
A higher opening in the domestic equity market and the strengthening of euro and yen against the dollar overseas also aided the rupee, dealers said.
The rupee had gained by 57 paise, or 1.04 per cent, in previous two days.
Month-end dollar demand from importers mainly affected the rupee value against the dollar, a forex dealer said.
The rupee also recovered against the pound sterling to 87.01 from overnight close of 87.20 and also recouped losses against the euro to 69.66 from 69.84.
The rupee resumed lower at 54.37 per dollar as against the last closing level of 54.07 at the Interbank Foreign Exchange Market.
The rupee resumed lower at 54.43 per dollar as against the last weekend's level of 54.22 at the Interbank Foreign Exchange market.
Forex dealers said besides dollar weakening against the euro in overseas markets, higher opening in the equity market and increased foreign funds inflows mainly supported the rupee.
Tracking the strong uptick in stock markets and early dollar sales by exporters, the rupee improved further to log nearly a two-week high of 54.34.