Today's noteworthy initiations include: Antares Pharma (ATRS) initiated with an Overweight at Piper Jaffray... Ardmore Shipping (ASC) initiated with an Overweight at JPMorgan... Biodel (BIOD) initiated with a Buy at Roth Capital... Carrizo Oil & Gas (CRZO) initiated with a Neutral at Goldman... Communications Sales & Leasing (CSAL) initiated with a Neutral at Goldman... CryoLife (CRY) initiated with an Overweight at First Analysis... DHT Holdings (DHT) initiated with a Neutral at JPMorgan... Euronav NV (EURN) initiated with an Overweight at JPMorgan... INC Research (INCR) initiated with a Hold at Jefferies... National Storage (NSA) initiated with an Overweight at Morgan Stanley... Navios Acquisition (NNA) initiated with an Overweight at JPMorgan... Navios Maritime Midstream (NAP) initiated with a Neutral at JPMorgan... PDC Energy (PDCE) initiated with a Conviction Buy at Goldman... Pfenex (PFNX) initiated with an Overweight at Barclays... PlasmaTech (PTBI) initiated with a Buy at H.C. Wainwright... QCR Holdings (QCRH) initiated with an Outperform at Keefe Bruyette... Scorpio Tankers (STNG) initiated with a Neutral at JPMorgan... StemCells (STEM) initiated with a Buy at H.C. Wainwright... Teekay Tankers (TNK) initiated with an Overweight at JPMorgan... Tsakos Energy (TNP) initiated with an Overweight at JPMorgan.