By Polya Lesova
NEW YORK (MarketWatch) -- Treasury prices rose on Friday, sending yields lower, as lackluster corporate earnings and worries about Spain's rising borrowing costs prompted investors to seek the safety of U.S. government debt. Yields on 10-year notes 10_YEAR -2.98% , which move inversely to prices, fell 4 basis points to 1.469%. Yields on 30-year bonds 30_YEAR -2.37% dropped 6 basis points to 2.559%.
