Today's noteworthy initiations include: TiVo (TIVO) initiated with an Outperform at Macquarie... Carrizo Oil & Gas (CRZO) initiated with a Buy at Societe Generale... Dominion Midstream (DM) initiated with a Market Perform at Wells Fargo... Hilltop Holdings (HTH) initiated with an Outperform at Macquarie... Hortonworks (HDP) initiated with an Equal Weight at Barclays...LendingClub (LC) initiated with a Sector Perform at Pacific Crest... On Deck Capital (ONDK) initiated with an Outperform at Pacific Crest... Stonegate Bank (SGBK) initiated with a Market Perform at Keefe Bruyett... Summit Therapeutics (SMMT) initiated with a Buy at Needham... Delta Air Lines (DAL) initiated with a Buy at Argus... Tekmira (TKMR) initiated with a Buy at Nomura.