Why Sientra Inc (SIEN) stock popup on Tuesday?

AMD Stock

Sientra Inc. (SIEN) shares rose 10.09% to trade at $7.42 in after-market on Tuesday, May 11, 2021. Earlier, SIEN’s stock gained 1.51% to close Tuesday’s session at $6.74. SIEN shares have soared 179.09% over the last 12 months, and they have moved down only 0.15% in the past week. Over the past three months, the […]