The Indian rupee had gained power against the US dollar in the last\u00a0four days rallying as much as 58 paise in the foreign exchange market. The domestic currency has been on a rising trend since Monday this week after it slipped to nearly a 2-month low against the US dollar. Today only, the rupee\u00a0surged about 9 paise\u00a0to 63.82 apiece US dollar at the interbank foreign exchange market. The Reserve Bank of India fixed a reference rate of\u00a063.9222 against the US dollar on Thursday. The rupee opened at 63.89 against US dollar in the early morning trades on Friday. Earlier yesterday, the rupee\u00a0tripped below the 64-mark against the US dollar gaining as much as\u00a018 paise to close at 63.91 against the US currency. On Thursday, the\u00a0inflation based on wholesale prices eased to a six-month low of 2.84%\u00a0in January on cheaper food articles even as vegetable prices continued to rule high. Earlier on Wednesday this week, the rupee had settled 23 paise higher at 64.09 against the US dollar. Meanwhile, the dollar slipped to a three-year low against a basket of currencies on Friday, headed for its biggest weekly loss in two years, as bearish factors offset the\u00a0support the US\u00a0dollar could take from rising Treasury yields, Reuters said in a report. The stock markets and foreign exchange markets were closed on Tuesday on the account of Maha Shivratri. Meanwhile today, Indian equities started on a positive note with BSE Sensex\u00a0surging over 200 points and Nifty crossing the 10,600-level following the positive global as the major US indices extended their gains in yesterday\u2019s trades. In the late morning deals, the key equity indices pared off most of the gains and turned flat with\u00a0benchmark Sensex trading at 34,306.15 and the broader Nifty trading at 10,547.15, both up by 0.2%.\u00a0Shares of Punjab National Bank\u00a0continued to fall even today also after the second largest state-run lender detected a fraud of about $1.77 billion or Rs 11,400 crore. A sudden profit-booking in the shares of\u00a0Yes\u00a0Bank, Sun Pharma, SBI, Maruti Suzuki, Power\u00a0Grid and Bajaj Auto slipped into\u00a0the red.\u00a0The S&P\u00a0BSE Sensex\u00a0rose as much as\u00a0210.77 points to hit the day\u2019s high of 34,508.24 while NSE Nifty inched up\u00a067.4 points to mark the day\u2019s peak at 10,612.9. Shares of Infosys, TCS, Dr Reddy's and Kotak Mahindra Bank were the only notable gainers among the Sensex components.