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investment bank

American

noun

a financial institution that deals chiefly in the underwriting of new securities.

Other Word Forms

investment banker noun
investment banking noun

Etymology

Origin of investment bank

First recorded in 1920–25

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Dimon said that if the investment bank does start to offer prediction market services, it won’t be going into sports or politics.

From MarketWatch • Apr. 1, 2026

The investment bank has “high conviction” in Amazon’s growth potential — with AWS estimates that are far above what investors may be expecting.

From The Wall Street Journal • Apr. 1, 2026

Analysts at the investment bank recently laid out their 12 most “high-conviction” picks within the tech, media and telecommunications sectors.

From MarketWatch • Mar. 31, 2026

Jefferies Financial Group stock surged 10% in premarket trading Tuesday following a report that Japan’s Sumitomo Mitsui Financial Group is considering a takeover of the U.S. investment bank.

From Barron's • Mar. 26, 2026

The willingness of a Wall Street investment bank to pay me hundreds of thousands of dollars to dispense investment advice to grown-ups remains a mystery to me to this day.

From "The Big Short" by Michael Lewis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023