Wall St ends volatile session lower in aftermath of global tech outage ReutersCrowdStrike Shares Trim Heavy Losses As Microsoft Announces Resolution Of Global Tech Outage: ‘This Is Clearly A Major Black Eye’ Yahoo FinanceShould you buy CrowdStrike’s stock now? This may be a ‘one-time discount sale.’ MarketWatchHeard on the Street: CrowdStrike May Get More Than a Slap The Wall Street JournalTrading Disrupted, Bankers Go Home After Outages Sweep Globe Bloomberg