Alex Ossola

That is, companies that aren't publicly traded.

The key part of the system, it runs on a blockchain.

The bank said it is in discussions with some of the largest private companies to get involved, and it hopes that other Wall Street banks will also join its venture.

Gina Hebe, who covers banks and finance for the journal, says that currently there are limited ways to get access to private companies.

Gina says that Citi says that this is also beneficial for the companies involved.

For seniors, which Medicare plan they choose may have a major impact on whether they can get nursing home care when they need it.

A new federal investigation shows that Medicare insurers varied a lot in how often they rejected requests for patients seeking nursing home stays, as well as for long-term care hospitals and inpatient rehab facilities.

The Medicare insurers with the biggest enrollments, UnitedHealth Group, Aetna, and Humana, were among the most likely to initially refuse access.

For these companies, denial rates were around 13 percent for nursing home care.

For long-term care hospitals, initial rejection rates were as high as 80 percent.

Today, the European Central Bank raised interest rates for the first time in almost three years, lifting its key rate to 2.25% from 2%.

The decision makes the ECB the first major central bank to tighten monetary policy in response to the jump in energy prices caused by the war in Iran.

Markets widely expected this move, and investors are betting the ECB will raise rates at least once more this year.

Inflation remains a major issue for the Federal Reserve as well.

The latest data point, prices charged by American producers went up again in May, rising 1.1 percent.

That was more than analysts expected.

The Producer Price Index, or PPI, is used to help calculate another inflation metric, the Personal Consumption Expenditures Price Index.

That's the Fed's official gauge.

Coming up, more details on Trump's decision to nominate Jay Clayton, the federal prosecutor and former SEC chairman for intelligence director.

That's after the break.