Credit Suisse upgraded ONEOK Partners (NYSE: OKS) from to Neutral with a price target of $40.00 (from $33.00).

Analyst John Edwards notes OKS is delivering in the Williston Basin and Q1 EBITDA of $445mm beat the Street at $428mm.

For an analyst ratings summary and ratings history on ONEOK Partners click here. For more ratings news on ONEOK Partners click here.

Shares of ONEOK Partners closed at $37.35 yesterday.