Today's Big 3 shows a lot of diversity between industries, though Kenny Polcari notes all have seen significant moves that can ignite further volatility. Kenny talks about why L3Harris (LHX) is in an industry investors "should be concerned about," CrowdStrike's (CRWD) support as it approaches overbought territory, and Groupon's (GRPN) big billings growth. Charles Schwab's Kevin Horner breaks down technicals to watch in all three stocks.