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Equifax, the consumer-data giant targeted in a hack that exposed the personal data of nearly half the US population, said its CEO is out effective immediately.

Richard Smith will “retire” as chairman of the board and CEO effective Tuesday, according to a statement from the company’s board. Mark Feidler, a board member, has been appointed as nonexecutive chairman and Paulino do Rego Barros Jr., who most recently served as president of Asia Pacific, has been appointed interim CEO.

The board will be looking for a new permanent CEO.

In Wall Street news, a pie chart shows how Goldman Sachs is trying to become the Google of Wall Street, and a 35-year-old numbers wonk is helping revive one of the financial crisis’ most controversial products.

Bridgewater, the world’s largest hedge fund, is developing an automated “coach” that acts like a personal GPS for decision-making. And a pair of investing startups are in a public spat about the future of real-estate investing.

In markets news, a mystery trader can’t stop betting that the stock market will go crazy. The stock market has been flipped completely upside down. And BlackRock, the world’s largest asset manager, is adding its voice to Wall Street’s bullishness on bank stocks.

A biotech founded by a 32-year-old just failed a key Alzheimer’s drug trial. And Japan wants to launch a new digital currency: J-Coin.

In tech news:

Lastly, tour the sprawling New York penthouse that a hotel mogul is selling for $US16 million.

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