nVent Electric is trading 7.31% higher at $136.77 in pre-market, but the catalyst remains unclear. - It closed at $127.67 on October 22; no fresh company-specific announcement explaining the rise was identified. - Its third-quarter results are scheduled for October 30, and October 23 is its $0.21 ex-dividend date; neither establishes a reason for the move. - The preceding session saw a sharp decline, while available market indicators were mixed and did not clearly account for the rebound.