Mayfair Gold Corp. reported a larger loss as it advances the Fenn-Gib gold project in Ontario toward development. For Q2 2026, loss was $7.35 million versus $2.11 million a year earlier; for the first half of 2026, loss reached $14.67 million versus $3.93 million. The increase reflects sharply higher exploration and evaluation expenses of $9.97 million year‑to‑date and general and…