There are also concerns that the uncertainty surrounding the necessary debt for deficit spending could destabilize the $27 trillion Treasury market, a cornerstone of the global financial system.
Wall Street is eyeing a return to winning ways on Friday after the lackluster sentiment seen in the past two sessions. The index futures held modestly higher in early trading.
Markets down on tech stock surge, VIX fear index rises. Dow down 1.5%, S&P 500 and Nasdaq 100 down 0.9%. Only chipmakers in green due to Nvidia's earnings report.