Here is why ARCA biopharma Inc. (ABIO) stock surged on Thursday?

ARCA biopharma Inc. (ABIO) shares soared 9.92% in after-hours on Thursday, October 28, 2021, and closed the daily trading at $2.88. Even in the regular trading session, ABIO’s stock gained 0.77%. ABIO shares have fallen 32.12% over the last 12 months, and they have moved down 5.42% in the past week. Over the past three […]

Here is why Zendesk Inc. (ZEN) stock plunged in the after-hours on Thursday?

ALGN Stock

Zendesk Inc. (ZEN) shares plunged 15.98% in after-hours on Thursday, October 28, 2021, and closed the daily trading at $99.99. However, in the regular trading session, ZEN’s stock lost 2.98%. ZEN shares have risen 14.30% over the last 12 months, and they have moved down 11.21% in the past week. Over the past three months, […]