A Share Trading Volume

https://finance.yahoo.com/m/b67b1690-80f6-3dfa-a509-88ff328c…

Robinhood! Deliciously ironic.

A sudden surge in trading volumes in class A shares of Warren Buffett’s Berkshire Hathaway Inc. BRK.B 2.64%? confounded investors last year. Now, a trio of academics say they have solved the stock-market mystery.

The jump in volumes was an illusion caused by a change in how Robinhood Markets Inc. HOOD 4.76%? reports fractional trades, according to a new study expected to be released Wednesday.

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