Investors’ focus will be on Chennai Petroleum Corporation (market lot: 1,500), ICICI Prudential Life Insurance (1,300), Manappuram Finance (6,000), Repco Home Finance (700) and SREI Infrastructure Finance (5,000), as these shares will enter the derivative space from Friday on the NSE. Inclusion in F&O will help investors hedge their underlying positions.These stocks will not attract the circuit filter in intra-day trading.