Ackman's Pershing Square building stake in United Tech - CNBC

Feb 28 (Reuters) - Billionaire investor Bill Ackman's Pershing Square is building a stake in U.S. manufacturer United Technologies Corp, CNBC reported on Wednesday, citing Ackman.

Ackman said he thought United Tech was a great company, CNBC reported. (http://cnb.cx/2HUollQ)

Shares of the company were up 2.5 percent at midday. (Reporting by Arunima Banerjee in Bengaluru; Editing by Maju Samuel)