By Deborah Levine
NEW YORK (MarketWatch) -- Treasury prices and the dollar held onto gains on Monday after a pair of reports showed factory orders fell 0.5% and pending home sales rose 4.3% in August. The dollar index (DXY 78.40, +0.31, +0.39%) , a measure of the greenback against a basket of six major currencies, rose to 78.375, from 78.361 before the data and from 78.070 late Friday. The euro (EURUSD 1.3695, -0.0096, -0.6961%) fell to $1.3698, compared to $1.3701 earlier and down from $1.3784 in late New York trading Friday. Yields on 10-year notes (UST10Y 2.50, -0.02, -0.64%) , which move inversely to prices, fell 2 basis points to 2.49%.