Morning Bid: Rattled tech stokes volatility

By Mike Dolan - What matters in U.S. and global markets today By Mike Dolan, Editor-At-Large, Finance and Markets Persistent tech sector valuation and leverage jitters, a deepening crypto drawdown and trepidation ahead of Nvidia's quarterly results all stoked the highest volatility in a month on Wall Street. The main U.S. equity indexes swung back and ​forth intraday on Monday but ended almost 1% in the red, and futures remained lower ahead of Tuesday's bell. The VIX "fear index" of S&P500 implied vola ...