In trading on Friday, shares of Carrefour SA (Symbol: CRERF) crossed below their 200 day moving average of $18.86, changing hands as low as $18.68 per share. Carrefour SA shares are currently trading down about 2% on the day. The chart below shows the one year performance ofIn trading on Friday, shares of Carrefour SA (Symbol: CRERF) crossed below their 200 day moving average of $18.86, changing hands as low as $18.68 per share. Carrefour SA shares are currently trading down about 2% on the day. The chart below shows the one year performance of