PAA ▲ +0.3% - Plains All American Pipeline, L.P. $PAA - Plains to Acquire Powder River Basin Assets from Silver Creek Midstream Plains All American Pipeline agreed to acquire Powder River Basin assets from Silver Creek Midstream, a move that expands its midstream infrastructure in a major oil and gas production region. The modest 0.3% gain suggests the market views the acquisition as a modest positive development for the company's growth prospects, though investors are awaiting additional details on deal terms and financing. 16-SEP-2026 08:00 AM ET