PACB ▼ -1.5% - Pacific Biosciences of California, Inc. $PACB - PacBio to Participate in the Morgan Stanley 24?? Annual Global Healthcare Conference Pacific Biosciences fell 1.5% today following announcement that the company will participate in the Morgan Stanley 24?? Annual Global Healthcare Conference. The headline provides no detail on company performance, product developments, or analyst sentiment that would explain the decline. 03-SEP-2026 04:06 PM ET