By Nick Godt
NEW YORK (MarketWatch) -- The dollar and Treasurys both rose on Tuesday, as worries over global growth pressured equities, leading investors to seek safe-haven assets. A report on U.S. existing-home sales for July will be relea`sed at 10 a.m. Eastern, with the market expecting a monthly decline. The dollar index (DXY 83.43, +0.31, +0.37%) , which measures the U.S. unit against a basket of six major currencies, was up 0.4% to 83.46. The price of benchmark 10-year Treasurys (UST10Y 2.51, -0.09, -3.27%) rose, sending their yields 8 basis points lower to 2.521%.
