Stock market investors and traders should keep a close eye on key stocks today, Feb 27. Key stocks to watch today: Airline stocks, DGCA, IRFC, GMDC, Netweb Technologies India, Zaggle Prepaid Ocean Services, Brigade Enterprises, Capacite Infraprojects, RailTel Corporation of India, SBI, SBI Life Insurance, Reliance Industries, Jindal Steel, Coal India, and HAL.