SPOKANE, Wash. (AP) — SPOKANE, Wash. (AP) — Avista Corp. (AVA) on Tuesday reported third-quarter earnings of $49 million. On a per-share basis, the Spokane, Washington-based company said it had profit of 57 cents. Earnings, adjusted for non-recurring gains, came to 38 cents per share. The utility posted revenue of $421 million in the period....