hello everyone, i jaspal kumar dhunna aged 32 from ludhiana. doing bussiness of cycle parts manufacturing. new to stock market. want to know about market. how does it works. how a stock move up or down. what is PE ratio. what is "beta". & how a point is calculated. if u know this please tell me. if u don't know then chalo milkey dhoondtey hain..... jkdhunna@yahoo.com