MicroStrategy (MSTR) shares surged over 5% after-hours after reporting a $2.8 billion Q3 profit, reversing a loss last year, driven by gains in Bitcoin. The firm BTC holdings rose to 640,808 in October, up from 597,325 in June. Chairman Michael Saylor reaffirmed his $150,000 year-end Bitcoin target, saying the company remains focused on expanding its crypto treasury.