** Shares of optoelectronics firm Coherent COHR.N last up 7.3% at $70.14 on Weds after co announced collaboration with chipmaker titan Nvidia NVDA.O
** Saxonburg, Pennsylvania firm late Tues said NVDA tie-up on silicon photonics networking switches to use co-packaged optics $(CPO.AU)$
** The ecosystem will allow artiticial-intelligence factories to connect millions of graphics processing units, COHR added
** CEO Jim Anderson said in statement that co expects CPO to further accelerate expansion of optical networking in the data center
** COHR shares were in positive territory earlier on Weds. Stock extended gains in afternoon trading amid broader market rally as Fed Chair Powell speaks .N
** Despite move on the session, stock down 26% YTD after more than doubling in 2024
** AI poster child NVDA kicked off its annual developer conference this week
(Lance Tupper is a Reuters market analyst. The views expressed are his own)
((lance.tupper@tr.com 1-646-279-6380))
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