Aqua America ( WTR) was lower after one of its units acquired New York Water Service in a transaction valued at roughly $51 million. The newly acquired water system serves approximately 135,000 residents on Long Island. Shares were down 1.5% to $22.45. Presstek ( PRST) fell after saying it had discontinued the operations of its Precision Analog plate business, which serviced the newspaper industry. The company expects to record charges of around $7.14 million in the fourth quarter. In 2007, the company expects a negligible negative impact on earnings as a result of discontinuing the operation. Presstek was losing 2.4% to $6.21. S&P MidCap 400 constituent Ensco International ( ESV) fell despite being added to the S&P 500. Ensco is replacing BellSouth, which was acquired by AT&T ( T). Ensco was down 2% at $49.05. Garmin ( GRMN) was weaker after saying it acquired EME Tec Sat SAS, the exclusive distributor of its products in France. The acquisition is expected to add to Garmin's earnings in 2007. Shares of Garmin were off 1% at $55.13. Fossil ( FOSL) rose following word that Michael W. Barnes, formerly the company's international division president, has been promoted to the position of president and COO. In addition, Mark D. Quick, formerly the president of accessories, has been named vice chairman. Kosta N. Kartsotis will continue as chief executive. Fossil was adding 1.2% to $22.84.