Indian Stock Market Rises Sensex Gains 50 Points Nifty 50 Holds Above 23400 Protagonist Therapeutics PTGX Declines 256 Amid Market Weakness 20260515 Brent Crude Oil Poised for 6 Weekly Surge as Geopolitical Tensions Intensify Turning TPB Falls 184 Watching 8508 Support 20260515 Sachem SCCG Steady at 2398 Awaiting Next Catalyst 20260514 Alkermes ALKS Stock Analysis Flat at 3874 Whats Next 20260514 electroCore ECOR Drops 529 Key Support at 579 20260515