Amyris (AMRS -8%) shares plunge after a Raymond James downgrade following a recent run-up the...

|By:, SA News Editor

Amyris (AMRS -8%) shares plunge after a Raymond James downgrade following a recent run-up the firm says is unwarranted. AMRS has been in the penalty box since disclosing scale-up delays and withdrawing guidance a year ago. "Amyris' scale-up issues do not permanently condemn the technology platform, but it will clearly take time for visibility to re-emerge," the firm says.