By Katie Paul and Jaspreet Singh April 29 (Reuters) - Meta Platforms raised its annual capital spending forecast on Wednesday, signaling plans to pour billions more into artificial intelligence infrastructure even as it confronts potential losses from a global youth backlash against social media. The Facebook and Instagram parent projected ‌2026 capital expenditure between $125 billion and $145 billion, compared with its prior forecast of $115 billion to $135 billion. Shares of the company fell more t ...