ETMarkets has identified six Indian companies that have recently experienced a bullish MACD crossover, as identified by its advanced screener. A bullish crossover is when the MACD line, which is the 12-day exponential moving average of the stock price minus the 26-day exponential moving average, crosses above the signal line, being the nine-day exponential moving average of the MACD line. The companies are DCM Shriram, ICICI Securities, Natco Pharma, Harsha Engineers International, Shanthi Gears and Bharti Airtel. Investors seeking opportunities in the stock market can use the technical indicator to assess potential future price appreciation.