Stock analysis is the analysing of market and the companies stand, inorder to invest in its stock.
It is usually done in two types fundamental and technical.
Fundamental is the total analysis of inside and outside functions of the security but Technical analysis is basically knowledge about the trend.
Fundamental is exclusive and only required if investments are crores but for small time trader Technical analysis is most suitable, but the stock price can never be accurate by both analysis it all depends on market sentiment.