Glaxo is in settlement talks with attorneys for an estimated 1,000 former Avandia users.
Glaxo shares are down 0.42%, or $0.18, to $43.06.
Shares of GlaxoSmithKline (GSK) are down after Bloomberg, citing a lawyer for the patients, reported that the drug maker is set to resolve 1,000 more lawsuits over medicines, including the diabetes drug Avandia.
