SHARE PRICES SLIP Kathmandu, 27 March: Stock prices fell 3.3 points after market opened Wednesday for trading. Nepse index fell to 518.74 points on the fourth day of five-day weekly trading. Share prices of banking, hydro power and insurance groups fell. nnnn ROCK FALL KILLS TWO IN KAVREl Kathmandu, 27 March: A rock fall killed two persons died and two others were injured Tuesday while constructing at Dahaldanda, Phalametar-5 of the Kavre Tuesday. Contractor Naralal Sherpa, of Kyul VDC died. nnnn