GlobalFoundries downgraded, TeraWulf upgraded: Wall Street's top analyst calls GlobalFoundries downgraded, TeraWulf upgraded: Wall Street's top analyst calls The Fly Wed, December 31, 2025 at 8:06 PM GMT+5:30 3 min read WULF DBRG-PH DBRG-PI DBRG-PJ GFS The most talked about and market moving research calls around Wall Street are now in one place. Here are today's research calls that investors need to know, as compiled by The Fly. Top Upgrades: Keefe Bruyette upgraded TeraWulf (WULF) to Outperform from Market Perform with a price target of $24, up from $9.50. The firm believes investors are underestimating the magnitude of TeraWulf's bitcoin mining to high performance compute leasing mix shift in 2026 and 2027.