By Deborah Levine
UST10Y CUR_EURUSD
NEW YORK (MarketWatch) -- Treasury prices and the dollar held onto the bulk of their gains on Tuesday after the S&P/Case-Shiller 20-city home price index for February fell 0.9% from a month earlier, though prices rose 0.6% from a year earlier. Yields on 10-year notes (UST10Y 3.80, -0.01, -0.21%) , which move inversely to prices, fell 5 basis points to 3.76%. The euro (CUR_EURUSD 1.3293, -0.0099, -0.7393%) dropped to $1.3281, down from $1.3357 in North American trade late Monday. The dollar index [s$dxy], which measures the U.S. unit against a trade-weighted basket of six other currencies, rose to 81.813, compared to 81.388 late Monday.