2. SEBI took a landmark decision in year 2004 when it issued a directive that all stock exchanges to publish intraday bulk deals at the end of the trading day. It has resulted in bringing the transparency in the system as bulk deals are visible to even retail investor and thus one can make use of the information to make money.
3. A few year back I used to track Surana Telecom a Hyderabad based company promoter holding and moment its promoter holding used to go up I used to buy the shares as I knew now the stock will move up and viceversa for sell transactions as and when their portfolio declined and thus made considerable profit with this strategy.