Form SCHEDULE 13G/A Canaan Inc. Filed by: Invesco Ltd.

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GammaCan International, Inc. (NASDAQ: CAN) Delayed: 0.31 -0.01 (3.13%)
Previous Close $0.32    52 Week High $0.40 
Open $0.30    52 Week Low $0.40 
Day High $0.31    P/E N/A 
Day Low $0.28    EPS $0.00 
Volume 10,543,414