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28 Battle-Tested Tips for Summer Interns on Wall Street

Ten weeks decide whether you get the offer. The training programme teaches you the models; nobody teaches you the room. Twenty-eight rules for the desk, the wardrobe, the inbox and the night out.

By Beau Brummell  ·  October 31, 2026  ·  5 min read

The Wall Street street sign in front of American flags in Lower Manhattan
Photo: Billie Grace Ward from New York, USA / Wikimedia Commons (CC0)

Summer internship season just around the corner. And while it may be true that finance is no longer the default destination of our best, brightest, and most ambitious, there’s a lot to be said for cutting your teeth for a summer on Wall Street.

These firms invest a significant amount of resources in developing and training prospective analysts, providing them with guidance and mentorship, and exposing them to some of the most aggressive, motivated, and intelligent people on the planet.

The trading floor of the New York Stock Exchange.
The trading floor of the New York Stock Exchange. Photo: Kevin Hutchinson / Wikimedia Commons, CC BY 2.0

More important, banks recruit more than 50% of their new hires from intern pools, so the stakes are high. For the sake of your future, here’s the knowledge and tips you actually need to turn any internship into a full-time position:

Grand Central Terminal at rush hour.
Grand Central Terminal at rush hour. Photo: Axel Tschentscher / Wikimedia Commons, CC BY-SA 4.0
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