| AFAM |
Almost Family Inc |
| ALNY |
Alnylam Pharmaceuticals, Inc. |
| AOSL |
Alpha and Omega Semiconductor Limited |
| GOOG |
Alphabet Inc. |
| GOOGL |
Alphabet Inc. |
| SMCP |
AlphaMark Actively Managed Small Cap ETF |
| ATEC |
Alphatec Holdings, Inc. |
| ALPN |
Alpine Immune Sciences, Inc. |
| SWIN |
ALPS/Dorsey Wright Sector Momentum ETF |
| AABA |
Altaba Inc. |
| ALTR |
Altair Engineering Inc. |
| ALT |
Altimmune, Inc. |
| ASPS |
Altisource Portfolio Solutions S.A. |
| AIMC |
Altra Industrial Motion Corp. |
| AMAG |
AMAG Pharmaceuticals, Inc. |
| AMRN |
Amarin Corporation plc |
| AMRK |
A-Mark Precious Metals, Inc. |
| AMZN |
Amazon.com, Inc. |
| AMBC |
Ambac Financial Group, Inc. |
| AMBCW |
Ambac Financial Group, Inc. |