The 10-year Treasury yield reached 0.78 percent late last week, rebounding from a low of 0.62 percent only a few days earlier. It opened at 0.73 percent on Monday morning. The 30-year jumped from 1.32 percent to 1.57 percent, opening Monday at 1.52 percent. On the short end of the curve, rates started the week higher but moved to their lowest levels in three weeks, with the 2-year opening Monday morning at 0.13 percent. Primary factors affecting rates are supply, Federal Reserve (Fed) involvement, and the coronavirus pandemic.