Schrodinger is trading 5.8% lower at $22.51, with the decline most likely reflecting broad risk-off markets rather than a confirmed company-specific catalyst. - The shares compare with an October 21 close of $23.90; no clear company-specific announcement explaining the decline surfaced. - U.S. futures were lower as renewed Middle East tensions and higher oil prices weighed on global markets. - Latest identified company updates were a Nature research announcement and notice that third-quarter results are scheduled for November 4.