Wharton Investment and Trading Group | 996 followers on LinkedIn. The premier undergraduate institution for professional preparation in finance careers. | The Wharton Investment and Trading Group (WITG, for short) is the premier undergraduate institution for professional preparation in finance-related careers. As the largest finance/education-oriented organization at Penn, our investment and development teams both teach the principles of value investing, trading, business analysis, and quantitative finance, between development sessions and active pitches/work under the supervision of team portfolio managers (PMs).