Paul J. Davies, Columnist

Wall Street’s Hottest Business Is About to Cool

The private equity and hedge fund lending boom is running into lower interest rates and tighter rules.

Photographer: Spencer Platt/Getty Images North America
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Banks and shadow banks are meant to exist in separate worlds, but the financial links between them are increasingly seen as a source of potential instability. That’s a problem for banks because the business of forging those ties has lately been among the hottest activities on Wall Street.

The largely unseen lending boom in the fixed-income, currencies and commodities (FICC) trading arms of big banks has been driven by two of the strongest trends of the past decade: the secular rise of private markets and multi-strategy hedge funds. Now, with watchdogs focusing more on the risks and with interest rate cuts around the corner, the question is whether so-called FICC financing is about to run out of steam.