Sensex sheds 100 points, Nifty nears 17,800

Sensex sheds 100 points, Nifty nears 17,800; RVNL jumps 3%, L&T Tech falls 4%. Rupee opens at 81.2600 per U.S. dolla; previous close 81.5500. Asian stocks rose on Friday as investors cheered a slowdown in U.S. inflation, while the yen hit a seven-month high and Japanese bond yields broke above the central bank's target as markets challenged Tokyo's commitment to loose monetary policy.