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IMO it's mostly due to the end of their official re-branding campaign from their old name Antshares (ANS) to their new name NEO (NEO) which is taking place leading up to Aug 8th and their switchover to NEO 2.0 on that same date. Aug 8th is the official date they are aiming for this re-branding to be complete, and this August 8th date is also their 1 year ICO anniversary and launch of NEO 2.0. NEO may very well see another decent jump in price on that date (8/8/2017).

NEO (was Antshares) updates on rebrand with new client set to launch
"China-based blockchain platform NEO, formerly known as Antshares before a complete rebranding last month has updated on the brand switch as well as given some guidelines for the NEO Network 2.0, which is set to launch next month[Aug 8 2017]."
https://www.cryptoninjas.net/2017/07/27/neo-antshares-updates-rebrand-new-client-set-launch/

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