Obviously your information is from "So, What Will I Do As An Investment Banking Summer Analyst ..". www.mergersandinquisitions.com/investment-banking-summer-analyst If you scroll down, it refers to the types of work: "Pitching" [ writing] deals and "pulling reports for senior bankers ".[ finding or pulling out of files, reports for senior bankers]

There’s a misconception out there that deals are all “real work” and that pitching to win deals and doing random administrative tasks is “grunt work.”Many pitches will only take up a few days, and random administrative tasks such as doing research on companies or pulling reports for senior bankers take up even less time.