Investment Ranking Challenge: Identifying the best performing stocks based on their semi-annual returns. - Shanka Subhra Mondal; Sharada Prasanna Mohanty; Benjamin Harlander; Mehmet Köseoglu; Lance Rane; Kirill Romanov; Wei-Kai Liu; Pranoot Hatwar; Marcel Salathé; Joe Byrum (CoRR, 2019)