“Subject line tells you what the letter is about. This letter is about an investment in bioamber. End of story” Then let’s actually read what’s in the letter.... investorshub.advfn.com/uimage/uploads/2018/9/21/[nkq[C45B575C-3A6C-47B7-B6BD-E764ACADBABF.jpeg “We hereby offer to purchase the Assets....”. End of story indeed.