prefB upgraded by MorningstarFor those who might have missed this. On Dec 23 Morningstar upgraded the pref B from 2 stars to 3 stars. (out of 5 stars).
As background, from investopedia.com;
"Morningstar assigns a one-star rating to 10% of the funds it evaluates, a two-star rating to 22.5% of funds, a three-star rating to 35% of funds, a four-star rating to 22.5% of funds. and a five-star rating to 10% of funds."