Google's AlphaGo clinches series win over Chinese Go master

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Google, Inc. (NASDAQ: GOOGL) Delayed: 327.64 -7.12 (2.13%)
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Volume 8,982,284       

Twitter, Inc. (NYSE: TWTR) Delayed: 53.70 --0 (-0%)
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Open $0.30    52 Week Low $13.73 
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Volume 100,000