Ryan & Maniskas, LLP Announces Investigation of Arch Chemicals, Inc.

WAYNE, Pa.--(BUSINESS WIRE)--Ryan & Maniskas, LLP (www.rmclasslaw.com/cases/arj) is investigating potential claims against the board of directors of Arch Chemicals, Inc. ("Arch Chemicals" or the "Company") (NYSE: ARJ) concerning possible breaches of fiduciary duty and other violations of law related to the Company’s efforts to sell Arch Chemicals to Lonza Ltd. in a transaction valued at approximately $1.2 billion.