Red arrows continue to plague Wall Street, and Charles Schwab's Liz Ann Sonders expects bearish sentiment to linger beyond today's closing bell. She in part blames Mag 7 stocks, noting Apple (AAPL) in the bottom 390 of the SPX year-to-date, while Tesla (TSLA) holds the lowest position. She discusses ways investors can rebalance portfolios as volatility ramps higher.