Updates
** Gun stocks turn lower following Wednesday's rally after U.S. conservative activist Charlie Kirk, an influential ally of President Donald Trump, was fatally shot
** Firearms-related stocks often rise following public shootings, driven by expectations that people may increase gun purchases in anticipation of tighter regulations
** Gun maker Smith & Wesson Brands SWBI.O declines 2.2% after jumping 6.7% on Wednesday, Outdoor Holding inches 0.3% up after an 4.8% increase in last session
** Donald Trump Jr.-backed gun retailer GrabAGun PEW.N slides 4.7%; Sturm Ruger & Co RGR.N falls from session high, now up 0.7%
** At the moment he was shot, Kirk - a staunch advocate of the Constitution's Second Amendment right to bear arms - was responding to a question about gun violence, according to multiple videos of the event posted online
(Reporting by Sanchayaita Roy in Bengaluru)