Bank Nifty outperforms benchmarks, closes above 54,500; check top gainers: What lies ahead?

Bank Nifty outperformed benchmark indices and closed above the crucial 54,500-mark on September 30 with Union Bank of India, Kotak Mahindra Bank leading the gains.Shares of HDFC Bank were down nearly 2%, weighing down the Nifty 50 index most.On the other hand, gains in heavyweight peer ICICI Bank s…