Quince Therapeutics QNCX Stock Down 304 Support Test at 105 20260518 Latvian PM Resigns Amid Fallout Over Stray Ukrainian Drones Geopolitical Tensions Spark Regional Market Jitters KNOREX KNRX Stock Analysis Climbs 200 Eyes on 081 20260518 Xerox XRXDW Declines 278 Amid Market Weakness 20260518