AOL Inc (NYSE:AOL) CEO Timothy M. Armstrong purchased 55,600 shares of AOL Inc (NYSE:AOL) stock in a transaction that occurred on Thursday, May 8th. The stock was purchased at an average cost of $36.08 per share, for a total transaction of $2,006,048.00. AOL, Inc. (NYSE:AOL) stock performance was 3.71% in last session and finished the day at $37.74. Traded volume was 3.27million shares in the last session and the average volume of the stock remained 1.63million shares. The beta of the stock remained 0.89. AOL, Inc. (NYSE:AOL) insider ownership is 0.40%.

Tyco International Ltd. (NYSE:TYC) Director Michael Daniels purchased 48,816 shares of Tyco International Ltd. (NYSE:TYC) stock in a transaction that occurred on Wednesday, May 7th. The stock was purchased at an average cost of $41.00 per share, for a total transaction of $2,001,456.00. Tyco International Ltd. (NYSE:TYC) rose 0.80 percent to $41.59 Friday on volume of 3.04million shares. The intra-day range of the stock was $41.11 to $41.71. Tyco International Ltd. (NYSE:TYC) has a market capitalization of $19.18billion.

Merrimack Pharmaceuticals Inc (NASDAQ:MACK) Director Michael E. Porter acquired 10,000 shares of Merrimack Pharmaceuticals stock on the open market in a transaction that occurred on Thursday, May 8th. The stock was purchased at an average cost of $6.59 per share, with a total value of $65,900.00. Merrimack Pharmaceuticals Inc (NASDAQ:MACK)’s stock on Apr 09, 2014 reported a increase of 4.70% to the closing price of $6.68. Its fifty two weeks range is $2.05-$7.65. The total market capitalization recorded $689.72million. The overall volume in the last trading session was 2.11million shares. In its share capital, MACK has 103.25million outstanding shares.

Emerson Electric Co. (NYSE:EMR) Director Arthur F. Golden purchased 3,000 shares of the company’s stock in a transaction dated Thursday, May 8th. The stock was purchased at an average cost of $67.12 per share, for a total transaction of $201,360.00. On Friday, shares of Emerson Electric Co. (NYSE:EMR) dropped -0.13% to close the day at $67.12. Company return on investment (ROI) is 14.10% and its monthly performance is recorded as 0.03%. Emerson Electric Co. (NYSE:EMR) quarterly revenue growth is 3.64%.