Hindalco is giving a bullish breakout from a flag pattern, which marks the end of the correction phase and the stock is ready for its upward movement. MACD is almost ready to give a buy signal, while 5 day EMA is cutting 13 day EMA, which is again a bullish signal. The stock is also giving a multi-year breakout. Can go long on Hindalco for a positional trade. Any retracement till 340 or 338 would present a good buying opportunity.