'Halftime Report' traders make flurry of moves

Kerstin Klaassen | Getty Images

"Halftime Report" traders made a flurry of moves in their CNBC Pro model portfolios in the back half of the week as the choppy market continues to frustrate money managers trying to beat the S&P 500.

Four of the seven "Halftime" portfolio participants are beating the S&P 500 this year, including Terranova, who is up 12 percent. Najarian's portfolio has risen 9 percent.

Here's why Najarian and Terranova made their moves.

More In Investing

CNBC ProWhat investors should know before GM reports second-quarter results on Wednesday
CNBC ProValue investor Bill Nygren buys more Netflix shares, says Wall Street misjudging the stock