What Bitcoin Watchers Are Saying After the Surge Past $10,000 Bitcoin entered uncharted territory on Wednesday after breaching $10,000 for the first time, leaving investors to wonder how long the rally will go — and whether it will end in tears.   The digital currency climbed as much as 4.4 percent to a record $10,379.53 during Asia trading hours, capping a more than 10-fold increase this year. Its market value has surpassed $176 billion, according to Coinmarketap.com.   Here’s what…