BSE@50K: Running with bulls, hunting with bears

The Indian stock market benchmark, the BSE Sensex, on Thursday scaled 50,000 points for the first time in history as the gauge extended its longest weekly winning streak in over a decade. The Sensex has nearly doubled from its lows in March and has risen nearly 50 times in three decades — the benchmark was on 999 on January 1, 1991. A look at how the markets have reacted to the key landmarks in the last 30 years.