Support is a price level of a stock where there will be more buyers than sellers . Whenever any stock start falling S1 or support level 1 is the first price level where you will see halt or pause . It does not mean at all that price would sustain there and than move in upward direction . The price of a stock depends upon the trend . If there is downtrend than at S1 it will stop for a while and than fall eventually . The reason for any stock to move upwards from it support is rise of demand due to falling share price .