Oil States International (OIS +16.3%) shares hit all-time highs after Jana Partners disclosed a...

Oil States International (OIS +16.3%) shares hit all-time highs after Jana Partners disclosed a 9.1% stake in the company and said it’s talked with management about separating OIS's well-site services unit and creating a REIT for the oilfield housing business. The accomodations unit may be valued as much as $5.5B under a REIT structure, Sterne Agee estimates.