** Shares of auto-parts manufacturer Gentex Corp GNTX.O down 8.19% at $25.9
** GNTX reports Q4 profit of $0.39 per share, below analysts' average estimate of $0.48, due to weakness in light vehicle production volumes - LSEG data
** Posts Q4 net sales of $541.6 mln vs estimates of $599 mln
** Co expects 2025 revenue of $2.40 bln to $2.45 bln vs estimates of $2.58 bln
** Sees 2026 revenue to be between $2.55 bln and $2.65 bln
** Shares fell ~12.03% in 2024