With this new information you can kinda calculate the dividend cut
The company now expects dividends attributable to capital stock for 2019 tax year to be limited to about $250M, and aggregate dividends for the upcoming four quarters to be limited to about $140M. For the 2018 year, it paid attributable dividends of about $435M and in January it paid an attributable dividend of about $110M related to the 2019 tax year.
The drastic (or any) cut in the dividend has been proven very bad for share prices in nearly all cases that I have witnessed. I dont expect UNIT will be any different. I will also be a buyer as I dont believe such a low price is justified. I have seen unjustified tanking of stocks in this situation too many times.