Dear swagat86,
you are 100% correct. you are respectable person.and got good experiance.
Like what is happening currently...is there any reason why every stock is falling.....and Nifty ????...currently Carry trades in Currency markets are geting unwinding due to One tigger whch is sudden fall of China stock market and followed by US. has created Panic and and investor's who had brought Low interest currency... Yen and invested in Stock market ..which now they exiting by exit Stocks..and return borrowed money
Currenctly cascading effect is happening...one trigger another and again another triggers first. Currently market is driven by Fear...