Domestic equity indices were trading near the day's high in early afternoon trade. At 12:20 IST, the barometer index, the S&P BSE Sensex, surged 644.88 points or 1.30% at 50,225.61. The Nifty 50 index jumped 190.30 points or 1.28% at 15,113.45. In the broader market, the S&P BSE Mid-Cap index rose 1.79% while the S&P BSE Small-Cap index added 1.30%. The market breadth was strong. On the BSE, 1936 shares rose and 967 shares fell. A total of 155 shares were unchanged. Derivatives: The NSE's India VIX, a gauge of market's expectation of volatility over the near term, dropped 2.94% to 19.03. The Nifty 27 May 2021 futures were trading at 15,142.05, at a premium of 28.60 points as compared with the spot at 15,113.45.