CollPlant Biotechnologies Ltd. Sponsored ADR (CLGN) shares rallied 8.2% in the last trading session to close at $6.75. This move can be attributable to notable volume with a higher number of shares being traded than in a typical session. This compares to the stock's 19.1% gain over the past four weeks.Last month, the company reported robust financial results for the full year ended 2023. The company also made significant progress with the advancement of the dermal and soft tissue filler program toward comme ...