Mumbai, Feb. 23 -- The Indian rupee is steadying along the flat line in opening trades on Friday after hitting a near one month high under 82.90 per US dollar yesterday on the back of strong equities. The benchmark S&P/BSE Sensex jumped 535.15 points, or 0.74 percent, to 73,158.24, reflecting sharp gains elsewhere across global markets. The broader NSE Nifty index swung between gains and losses before finishing up 162.40 points, or 0.74 percent, at 22,217.45. On Thursday, rupee appreciated 11 paise to close at 82.85 against the US dollar. Positive undertone from equities is expected to support the local unit although dollar index is staying weak. The US dollar index fell under 104 mark this week even as most FOMC officials remain wary of cu...