SRL for [wrangling]: Pinnacle West Capital Corp. , which has been [wrangling] with regulators for months over what to do about Pinnacle 's moribund Merabank thrift unit , suspended its dividend and reported a 91 % plunge in third - quarter net income .
R-ARG-0: which | ARG-0: Pinnacle West Capital Corp. | ARG-1: with regulators | ARG-M-TMP: for months | ARG-2: over what to do about Pinnacle 's moribund Merabank thrift unit