Among stock-specific action, CL Educate, Aurionpro Solutions, and MTNL are some of the stocks, which are locked in the upper circuit. On the derivative front, we are observing long build-up today in stocks such as Pfizer, CONCOR, Cummins India, Coforge, Siemens, etc. While short were formed in SBI Life, Mphasis, ICICIPRULI, Torrent Power, MindTree, etc.