The recent wobbly stretch in both stocks and bonds may persist for the short term if the U.S. Federal Reserve next week lives up to expectations and signals the days of near-zero interest rates are numbered, but it is unlikely to tip valuation scales in favor of bonds any time soon. Anxiety over the two-day Fed policy meeting, centered on expectations the central bank will likely drop its pledge to keep interest rates low for a “considerable time,” was a primary driver behind stocks snapping a five-week winning streak this week and bonds absorbing their steepest losses in at least two months.