Golden Financial Reports, BlockInc (SQ) stock price plummeted in after-hours trading due to its third-quarter Bitcoin revenue being flat compared to the same period last year, and total revenue not meeting Wall Street's expectations. According to Google Finance, 10 minutes after the market closed on November 7, Block's stock price dropped by 12.3% to a low of $66, while it closed down 3.05% for the day at $75.27.