U.S. Treasury yields have risen as traders react to Middle Eastern unrest and await a fresh batch of economic news. The 2-year Treasury yield moved up 3.7 basis points to 3.9% and the benchmark 10-year note moved up to 4.41%. This follows conflicting reports from Iran about an alleged attack on a U.S.-controlled vessel in the Strait of Hormuz, though a U.,S. official denied the reports.