Stock market sell-off continues as tech valuation worries rise

Wall Street’s major averages continue to decline on Friday, as investors turned worries to lofty valuations of big technology companies, and the lack of economic data that persists even when the U.S. government is back on business. The benchmark S&P 500 (SP500) was last -0.6% in late morning trade, while the Nasdaq Composite (COMP:IND) was -0.6%, a…