A Study on Weak Form Efficiency with Special Reference to Selected Automobile Companies in National Stock Exchange of India Ltd

The stock market is an emerging area for research and this work analyses the efficiency of National Stock Exchange India Ltd (NSE) and focuses on selected Automobile companies. The main objective of is to find out efficiency level and random walk nature of National Stock Exchange of India Ltd. This will be accomplished by testing selected Automobile companies with the help of Descriptive Statistics, Runs Test, and Augmented Dickey Fuller test (ADF) etc., the researcher was used five years daily data from January 2012 to December 2016. The result was found that the linear dependence is existed in the selected Automobile companies' returns and the selected Automobile companies in National Stock Exchange of India Ltd are not weak-form efficient