VRUS—This may be the post you were thinking of: https://investorshub.advfn.com/boards/read_msg.aspx?message_id=20332616 The negligible trading volume (in 2007—well before Sofosbuvir's arrival) is discussed in the bottom paragraph. p.s. The first post on this board about Sofosbuvir (a/k/a PSI-7977) was about 2.5 years later (#msg-45735193). p.p.s. I really missed the boat in #msg-45752425. The single-isomer formulation was a hugely consequential change, as it turned out.