Heinz Co. ( NYSE: HNZ) is down about 0.6%, and Aon Plc ( NYSE: AON) is lower by about 0.2%.

FORBES: IWR, CCI, HNZ, AON: Large Inflows Detected at ETF

In the second quarter, Oakmark bought three new companies for its portfolio: Devon Energy Corporation ( DVN), American International Group ( AIG) and Aon Plc ( AON).

FORBES: Bill Nygren of Oakmark Funds Buys 3 New Stocks

Hewitt, the human-resources business unit of Aon PLC.

WSJ: Pros and Cons of Company Wellness Program Incentives