Contacted me after submitting application a month ago. The guy gave me an assignment to do a sales brochure for them which raised my suspicion even though it was for an investment role. Did it anyway, and they ghosted me after I followed up with them a week later

Once the Initial Application is submitted, you will receive an email on a Case study (should be all different but for mine, it was about Gaming industry market research. Which I do not know how it is linked to investment work till today). If the case study is up to their standard, they will schedule an Interview. Then a job offer