Credit Suisse Upgrades ONEOK To Outperform After Stock Down 52% In 2015 By: Benzinga via Benzinga December 31, 2015 at 08:25 AM EST Shares of ONEOK, Inc. (NYSE: OKE) have declined 52.92 percent year to date, while those of Oneok Partners LP (NYSE: OKS) have ... Read More >> Related Stocks: Oneok Inc