Nomura Holdings Inc. is beginning to tighten financing for some hedge fund clients following the Archegos Capital Management LP fiasco that may cost Japan’s biggest brokerage an estimated $2 billion, according to people familiar with the matter.

The collapse of Archegos Capital Management LP, an investment firm that few even on Wall Street had heard of until it imploded last month, is changing a lucrative, decades-old part of global banking.

The Biden administration is moving quickly to reinstate measures aimed at combating housing discrimination that were subject to a Trump-era rollback.

It’s not quite the nearly $1 billion blunder that Citigroup Inc. made last summer, but Charles Schwab Corp. said it accidentally sent more than $1 million to the Fidelity Brokerage Services account of a woman in Louisiana.

A former JPMorgan Chase & Co. financial adviser accused of trading his wealthy grandmother’s assets without her knowledge has been barred from working as a broker by the industry’s watchdog, according to information on the Financial Industry Regulatory Authority’s website.

PNC Financial Services Group Inc. Chief Executive Officer Bill Demchak said he wants to position the bank to perform in a sector in which smaller firms are disappearing amid a wave of consolidation.