nnnnn has the bell rung on china's bull run the shanghai composite index taking more than six percent on friday the thirteen percent loss for the week its most brutal battering since the global financial crisis , the big fear signs the economy is on the mend and beijing may turn off the cash tap it's used to prop up growth and that skilled sky high stock prices reuters correspondent pete sweeney this point investors might be taking stock of saying you know under fifty percent ain't bad , you know maybe now is the time to take my profits back and maybe i'll buy a house with it or you know put it underneath the mattress whatever you know but i i had a really nice writing now might be a nice time to step off