Two different types in stock analysis are fundamental and technical analysis. Fundamental needs more details about the company which cannot be collect by retail traders.Technical analysis only derive demand and supply of the stocks.
News will make an impact on stock price so often. Investing in penny stocks having high risk due to the low price, lack of liquidity and small market capitalization. Many charts are used to do the analysis.Line chart for long period, Bar chart and candlesticks for shorter and provide more details.