The last trading session of the previous week proved to be Black Friday for the Indian stock market which saw a loss of close to Rs 5.50 lakh crore Market Capitalisation (M-Cap) in a single trading session. This has once again brought to the fore the pertinent question of whether the recent bull run is sustainable? The retail investors who have entered the market at higher levels are asking themselves, whether it was a mistake to enter the market at much higher levels?