DGX ▼ -4.1% - Quest Diagnostics Incorporated $DGX - Quest Diagnostics to Release Third Quarter Financial Results on October 22, 2026 Quest Diagnostics shares fell 4.1% today following the company's announcement that it will release third quarter financial results on October 22, 2026. The market reaction suggests investors may be pricing in concerns ahead of the earnings report or responding to other concurrent developments, though the announcement itself provides no forward guidance or material updates to the company's outlook. 22-SEP-2026 04:29 PM ET