Shares of Iterum Therapeutics plc (NASDAQ:ITRM) slid 36%, or $1.73, to close at $3.12 after the Dublin-based firm disclosed the much-anticipated but less-than-stellar results from the phase III trial called Sulopenem for Resistant Enterobacteriaceae, or SURE 3, testing oral and I.V. versions of the drug in complicated intra-abdominal infections (cIAI).