Explainer-Bitcoin's 'halving': what is it and does it matter?

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Community Bankers Trust Corp (NYSE: BTC) Delayed: 27.81 -0.82 (2.86%)
Previous Close $28.63    52 Week High $3.45 
Open $28.18    52 Week Low $1.62 
Day High $28.19    P/E 173.81 
Day Low $27.57    EPS $0.16 
Volume 2,346,130