concern

concern { i_state }    FACTIVE    volatility { state }

wsj_0816_orig.SYN.xml.sgm.roser.tml
The less-than-robust third-quarter results came amid renewed concern about the volatility of stock prices and the role of computer-aided program trading.

concern { i_state }    FACTIVE    role { state }

wsj_0816_orig.SYN.xml.sgm.roser.tml
The less-than-robust third-quarter results came amid renewed concern about the volatility of stock prices and the role of computer-aided program trading.