NEENAH, Wis. (AP) — NEENAH, Wis. (AP) — Plexus Corp. (PLXS) on Wednesday reported fiscal fourth-quarter net income of $68.5 million. The Neenah, Wisconsin-based company said it had net income of $2.51 per share. Earnings, adjusted for stock option expense, were $2.84 per share. The results beat Wall Street expectations. The average estimate of four...