Jefferies to hold a virtual summit ACLS;ADI;ADTN;ADVOF;AEIS;ALGM;ALLT;AMD;AMR;AMKR;ANET;AOSL;ASML;AVT;BRKS;CALX;CAMP;CDNS;CEVA;DIOD;DLB;ENTG;FORM;GSIT;HIMX;HLIT;ICHR;IMMR;KLIC;KN;KOPN;LITE;LXU;MCHP;MXL;NTGR;NVDA;NVMI;ON;ONTO;PLAB;POLY;VECO;TTMI;TSEM;SKYT;RMBS;ZBRA