As EBITDA Evaporates, Plains All American Shares Downgraded By: Benzinga via Benzinga August 08, 2017 at 11:51 AM EDT Baird downgraded the units of Plains All American Pipeline, L.P. (NYSE: PAA) and Plains GP Holdings LP (NYSE: PAGP). The firm premised ... Read More >> Related Stocks: Plains All American Pipeline LP Plains Gp Holdings LP