One of the unchecked items is market breadth. Despite the recent rally, participation in the latest rebound has been underwhelming, raising questions over the sustainability of the advance. Second, 10-year Treasury yields remain in an uptrend, and until more technical evidence confirms the highs have been set, it may be challenging for stocks to maintain their upside momentum.

It’s been another volatile year for municipal (muni) investors this year. While generally outperforming U.S. Treasuries, the Bloomberg Muni Index is on track for its second calendar year of negative returns something that has never happened before.