By Myra P. Saefong
SAN FRANCISCO (MarketWatch) -- The U.S. dollar index edged lower Friday though finding little direction after a gauge on U.S. consumer prices came in as unchanged in November with core prices up a seasonally adjusted 0.2%. The euro, meanwhile, traded modestly higher to hold above the key $1.30 level. The dollar index DXY -0.02% , which tracks the greenback against a basket of six rivals, fell to 80.248 from 80.292 in North American trade late Thursday. The euro EURUSD +0.09% bought $1.3030, up from $1.3022 late Thursday.