 Biotech stocks came under pressure in the week ended July 31 amid mixed earnings from the sector and some adverse clinical readouts.COVID-19 news flow continued to pour in, with big pharma tie-ups flaunting positive tidings. In the biggest ever coronavirus funding deal, the Sanofi SA NASDAQ: SNY GlaxoSmithKline plc NYSE: GSK won a joint 2.1 billion U.S. federal funding award.Herere the key catalysts for the unfolding week:Conferences72nd National Hemophilia Foundations Annual Bleeding Disorders Meeting 2020 virtual meeting: Aug. 1-8PDUFA DatesFDA is scheduled to rule on DBV TECHNOLOGIES ADR NASDAQ: DBVT Viaskin peanut allergy patch Wednesday. However, cancellation of the Adcom meeting scheduled May 15 has poured cold water on the prospects of an approval coming through.Trevena Inc NASDAQ: TRVN has a tryst with the FDA Friday, with respect to the NDA for its pain drug oleceridine, which was once rejected by the agency on the premise of inadequacy of clinical data.FDA is also due to rule on Eagle Pharmaceuticals Incs NASDAQ: EGRX exertional heat stroke drug ryanodex Saturday. The original PDUFA date was pushed back a month as the FDA finds it hard to keep up with scheduling commitments due to COVID-19.Clinical ReadoutsBioSig Technologies Incs NASDAQ: BSGM CEO Kenneth Londoner, will present at the Proactive Investors One2One Virtual Event Tuesday an update on Phase 2 clinical study of merimepodib in combination with remdesivir in adult patients with advanced COVID-19.Novavax, Inc. NASDAQ: NVAX is scheduled to announce in the first week of August preliminary Phase 1 data for NVX-CoV2373, its investigational vaccine against SARS-CoV-2.EarningsView more earnings on NVAXMonday Ligand Pharmaceuticals Inc. NASDAQ: LGND before the market open Minerva Neurosciences Inc NASDAQ: NERV before the market open Pacific Biosciences of California Inc NASDAQ: PACB after the close SI-Bone Inc NASDAQ: SIBN after the close Neurocrine Biosciences, Inc. NASDAQ: NBIX after the close DURECT Corporation NASDAQ: DRRX after the close Penumbra Inc NYSE: PEN after the close Revance Therapeutics Inc NASDAQ: RVNC after the closeTuesday Haemonetics Corporation NYSE: HAE before the market open Incyte Corporation NASDAQ: INCY before the market open Karyopharm Therapeutics Inc NASDAQ: KPTI before the market open Intersect ENT Inc NASDAQ: XENT before the market open Oxford Immunotec Global PLC NASDAQ: OXFD before the market open Epizyme Inc NASDAQ: EPZM before the market open Neuronetics Inc NASDAQ: STIM before the market open Mallinckrodt PLC NYSE: MNK before the market open Evofem Biosciences Inc NASDAQ: EVFM before the market open Zimmer Biomet Holdings Inc NYSE: ZBH before the market open Strongbridge Biopharma plc NASDAQ: SBBP before the market open BIO-TECHNE Corp NASDAQ: TECH before the market open Avanos Medical Inc NYSE: AVNS before the market open Amarin Corporation plc NASDAQ: AMRN before the market open Aquestive Therapeutics Inc NASDAQ: AQST after the close Akcea Therapeutics Inc NASDAQ: AKCA after the close Acorda Therapeutics Inc NASDAQ: ACOR after the close after the close BioMarin Pharmaceutical Inc. NASDAQ: BMRN after the close Corcept Therapeutics Incorporated NASDAQ: CORT after the close Xencor Inc NASDAQ: XNCR after the close Vapotherm Inc NYSE: VAPO after the close Rigel Pharmaceuticals, Inc. NASDAQ: RIGL after the close NuVasive, Inc. NASDAQ: NUVA after the close Qiagen NV NYSE: QGEN after the close Jazz Pharmaceuticals PLC NASDAQ: JAZZ after the close Fulgent Genetics Inc NASDAQ: FLGT after the close Enanta Pharmaceuticals Inc NASDAQ: ENTA after the close Otonomy Inc NASDAQ: OTIC after the close Inspire Medical Systems Inc NYSE: INSP after the close Myokardia Inc NASDAQ: MYOK after the close Curis, Inc. NASDAQ: CRIS after the close CareDx Inc NASDAQ: CDNA after the close Cardiovascular Systems Inc NASDAQ: CSII after the close Cytosorbents Corp NASDAQ: CTSO after the close GenMark Diagnostics, Inc NASDAQ: GNMK after the close Deciphera Pharmaceuticals Inc NASDAQ: DCPH after the close Cerus Corporation NASDAQ: CERS after the close Inspire Medical Systems Inc NYSE: INSP after the closeSee also: Attention Biotech Investors: Mark Your Calendar For August PDUFA Dates Wednesday Constellation Pharmaceuticals Inc NASDAQ: CNST before the market open Vericel Corp NASDAQ: VCEL before the market open Oyster Point Pharma Inc NASDAQ: OYST before the market open Eyepoint Pharmaceuticals Inc NASDAQ: EYPT before the market open PPD Inc NASDAQ: PPD before the market open Horizon Therapeutics PLC NASDAQ: HZNP before the market open Moderna Inc NASDAQ: MRNA before the market open Ionis Pharmaceuticals Inc NASDAQ: IONS before the market open Regeneron Pharmaceuticals Inc NASDAQ: REGN before the market open Harvard Bioscience, Inc. NASDAQ: HBIO before the market open IVERIC bio Inc NASDAQ: ISEE before the market open Brainstorm Cell Therapeutics Inc NASDAQ: BCLI before the market open BioDelivery Sciences International, Inc. NASDAQ: BDSI before the market open Allogene Therapeutics Inc NASDAQ: ALLO before the market open Arena Pharmaceuticals, Inc. NASDAQ: ARNA after the close ADMA Biologics Inc NASDAQ: ADMA after the close ACADIA Pharmaceuticals Inc. NASDAQ: ACAD after the close AxoGen, Inc Common Stock NASDAQ: AXGN after the close Arrowhead Pharmaceuticals Inc NASDAQ: ARWR after the close Global Blood Therapeutics Inc NASDAQ: GBT after the close Transenterix Inc NYSE: TRXC after the close Kindred Biosciences Inc NASDAQ: KIN after the close ResMed Inc. NYSE: RMD after the close Silk Road Medical Inc NASDAQ: SILK after the close Tricida Inc NASDAQ: TCDA after the close SurModics, Inc. NASDAQ: SRDX after the close Immunomedics, Inc. NASDAQ: IMMU after the close PTC Therapeutics, Inc. NASDAQ: PTCT after the close Sangamo Therapeutics Inc NASDAQ: SGMO after the close TRACON Pharmaceuticals Inc NASDAQ: TCON after the close Lyra Therapeutics Inc NASDAQ: LYRA after the close Miragen Therapeutics Inc NASDAQ: MGEN after the close Zogenix, Inc. NASDAQ: ZGNX after the close Sarepta Therapeutics Inc NASDAQ: SRPT after the close Natera Inc NASDAQ: NTRA after the close OraSure Technologies, Inc. NASDAQ: OSUR after the close Orthopediatrics Corp NASDAQ: KIDS after the close G1 Therapeutics Inc NASDAQ: GTHX after the close Globus Medical Inc NYSE: GMED after the close TransMedics Group Inc NASDAQ: TMDX after the close Nevro Corp NYSE: NVRO after the close Collegium Pharmaceutical Inc NASDAQ: COLL after the close Endo International PLC NASDAQ: ENDP after the closeThursday Polarityte Inc NASDAQ: PTE before the market open Mylan NV NASDAQ: MYL before the market open Menlo Therapeutics Inc NASDAQ: MNLO before the market open Mediwound Ltd NASDAQ: MDWD before the market open Synlogic Inc NASDAQ: SYBX before the market open Zoetis Inc NYSE: ZTS before the market open TherapeuticsMD Inc NASDAQ: TXMD before the market open Ironwood Pharmaceuticals, Inc. NASDAQ: IRWD before the market open Syneos Health Inc NASDAQ: SYNH before the market open Orthofix Medical Inc NASDAQ: OFIX before the market open Eloxx Pharmaceuticals Inc NASDAQ: ELOX before the market open Dicerna Pharmaceuticals Inc NASDAQ: DRNA before the market open Alnylam Pharmaceuticals, Inc. NASDAQ: ALNY before the market open Athenex Inc NASDAQ: ATNX before the market open Amneal Pharmaceuticals Inc NYSE: AMRX before the market open Bristol-Myers Squibb Co NYSE: BMY before the market open Agenus Inc NASDAQ: AGEN before the market open ABIOMED, Inc. NASDAQ: ABMD before the market open BioCryst Pharmaceuticals, Inc. NASDAQ: BCRX before the market open AMAG Pharmaceuticals, Inc. NASDAQ: AMAG before the market open Galmed Pharmaceuticals Ltd NASDAQ: GLMD before the market open PDL BioPharma Inc NASDAQ: PDLI after the close Syndax Pharmaceuticals Inc NASDAQ: SNDX after the closeRegenxbio Inc Dynavax Technologies Corporation NASDAQ: DVAX after the close Accelerate Diagnostics Inc NASDAQ: AXDX after the close Adamas Pharmaceuticals Inc NASDAQ: ADMS after the close Achieve Life Sciences Inc NASDAQ: ACHV after the close Acceleron Pharma Inc NASDAQ: XLRN after the close Coherus Biosciences Inc NASDAQ: CHRS after the close Puma Biotechnology Inc NASDAQ: PBYI after the close Axonics Modulation Technologies Inc NASDAQ: AXNX after the close Theravance Biopharma Inc NASDAQ: TBPH after the close Iovance Biotherapeutics Inc NASDAQ: IOVA after the close Glaukos Corp NYSE: GKOS after the close CytomX Therapeutics Inc NASDAQ: CTMX after the close Cytokinetics, Inc. NASDAQ: CYTK after the close Insulet Corporation NASDAQ: PODD after the close Chembio Diagnostics Inc NASDAQ: CEMI after the close Exelixis, Inc. NASDAQ: EXEL after the close Editas Medicine Inc NASDAQ: EDIT after the close FibroGen, Inc. NASDAQ: FGEN after the close Guardant Health Inc NASDAQ: GH after the close GW Pharmaceuticals PLC- ADR NASDAQ: GWPH after the close PRA Health Sciences Inc NASDAQ: PRAH after the close Illumina, Inc. NASDAQ: ILMN after the close Insmed Incorporated NASDAQ: INSM after the close Pfenex Inc NYSE: PFNX after the close ZIOPHARM Oncology Inc. 