Error in MFG data prior to 09-04-2008

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#1

usstock-1day and the minute data have a 1,000x price jump in MFG in 09-04-2008. Looks like the data prior is in error.

Sid,Date,Symbol,Open,High,Low,Close,Volume,Vwap,TotalTrades,UnadjOpen,UnadjHigh,UnadjLow,UnadjClose,UnadjVolume,UnadjVwap
FIBBG000Q85HQ2,2008-09-04,MFG,**0.0042,0.0042,0.004,0.004,**781153000,0.004,1961,8.16,8.16,7.77,7.89,781153,7.9299
FIBBG000Q85HQ2,2008-09-05,MFG,**3.8629,3.9697,3.7967,3.9646,**455113,3.9152,1669,7.59,7.8,7.46,7.79,455113,7.6928
#2

Thank you for reporting this. It is now fixed in both datasets and should be reflected in your local copies if you updated them overnight.

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#3

More of the same issue:

PPO,FIBBG000BBBQ84,data prior to 2007-07-05
DDD,FIBBG000D42FJ0, data prior to 2010-02-04
SYBX,FIBBG000R33JD4,data prior to 2015-11-12
MTW,FIBBG000D2M6H4,data prior to 2016-03-04
HBB,FIBBG00HJ4P620,data prior to 2017-10-02
IR,FIBBG002R1CW27,data prior to 2020-03-02