Group 1 - Acadia Healthcare Company, Inc. (ACHC) has been added to the Zacks Rank 5 (Strong Sell) List due to a 4.9% downward revision in the consensus estimate for its current year earnings over the last 60 days [1] - Allison Transmission Holdings, Inc. (ALSN) is also on the Zacks Rank 5 (Strong Sell) List, with a 5.5% downward revision in the consensus estimate for its current year earnings over the last 60 days [2] - Black Stone Minerals, L.P. (BSM) has seen a 10.5% downward revision in the consensus estimate for its current year earnings over the last 60 days, leading to its inclusion in the Zacks Rank 5 (Strong Sell) List [2]

Group 1 - Allison Transmission (NYSE: ALSN) is the market leader in fully automatic transmissions with strong OEM relationships and high barriers to entry [1] - The company is acquiring Dana's Off-Highway segment at an attractive price, which is expected to enhance its market position [1] - The investment strategy focuses on companies with strong fundamentals that are undervalued due to short-term challenges, indicating a long-term investment horizon [1]