 BNP Paribas Arbitrage SA trimmed its position in Mack Cali Realty Corp NYSE:CLI by 32.7 in the 1st quarter, according to its most recent 13F filing with the Securities and Exchange Commission. The institutional investor owned 17,225 shares of the real estate investment trusts stock after selling 8,366 shares during the quarter. BNP Paribas Arbitrage ... 