National States was downgraded by AM Best from C++ (Marginal) to C- (Weak) due to continuing operating losses associated with a closed book of Home Health Care business in South Florida and a competitive Med Supp Market. The outlook was negative. Subsequent to the downgrade, National States management asked that their AM Best rating be de-listed, so their current AM Best rating is showing up as NR-4.
Here is the story from AM Best. (Subscription required to view Full Story.) You can also find the story here.