Home Markets US House committee opens investigation into Merck, AbbVie China drug trials US House committee opens investigation into Merck, AbbVie China drug trials Andrew M Jun 30, 2026 comments off Tweet on Twitter Share on Facebook Google+ Pinterest Original source: https://www.investing.com/news/stock-market-news/exclusiveus-house-committee-opens-investigation-into-merck-abbvie-china-drug-trials-4767250 ABBVIE Market Updates Merck US House committee