Buzz-U.S. Stocks on the Move - KBR, Vista Energy, Fulcrum Therapeutics

York Space YSS.N:

• J.P. Morgan downgrades York Space to 'neutral' after 2026 guidance cut nL6N44E05L

Vista Energy VIST.N:

• US-listed shares of Vista Energy gain after Peter Thiel buys 1% stake nL4N44E0I3

Global Net Lease GNL.N:

• Global Net Lease gains after BMO lifts rating to 'outperform' nL4N44E0JO

OmniAb OABI.O:

• OmniAb rises on drug discovery deal with Lilly worth up to $370 mln nL4N44E0KK

Fulcrum Therapeutics FULC.O:

• Fulcrum Therapeutics rises on all-stock merger with Slate Medicines nL4N44E0OF