In Friday's trading session, Benchmark indices are trading negatively. Sensex plunged 0.80%, while Nifty decreased 0.79%. In the broader indices, Nifty Mid-Cap experienced a decline of 0.62% and Nifty Small-Cap is down 0.44%. Penny stocks locked in the upper circuit are Filmcity Media Ltd, Setubandhan Infrastructure Ltd, Diligent Media Corporation, Jaiprakash Associates and GCM Capital Advisors.