** Shares of semiconductor and fiber laser provider nLIGHT LASR.O down 9.5% post-market to $45.24 as it looks to raise equity

** LASR shares rose 4% to record closing high of $49.98 on Tues

** Camas, Washington-based LASR commences stock offering without disclosing deal size

** Co intends to use net offering proceeds for working capital, capex, and other general purposes, per the prospectus

** Stifel, Baird, William Blair and Raymond James joint lead bookrunners

** Co has ~50.8 mln shares outstanding for $2.5 bln market cap

** Through Tues, stock up 33% YTD after nearly 260% surge in 2025

** 7 of 8 analysts rate stock "strong buy" or "buy", 1 "hold"; median PT of $50 up from $40 a month ago and $29 on Nov 3, per LSEG data

(Lance Tupper is a Reuters market analyst. The views expressed are his own)

((lance.tupper@tr.com 1-646-279-6380))