Stocks recover from session lows after a drop in tech during the week, in the latest sign of feverish trading on Wall Street ahead of Jerome Powell's Jackson Hole speech.

After a plunge that saw U.S. stocks lose billions of dollars, buyers emerged in the last leg of Wall Street trading. A further drop in big tech and signs indicate that inflation remains the predominant concern for the Federal Reserve.

Two-year yields were virtually unchanged at 3.74%, compared to a drop of four basis points earlier.

Oil recovers and closes up 1.80 %.

Most of the major groups in the S&P 500 rose, with energy and defensive stocks leading the gains. All mega-caps fell, but also rebounded, trimming losses. Nasdaq 100 was down 0.6% after earlier falling nearly 2%.

VENEZ and Pdvsa flat bonds .

Latin American Bonds Argentina -1.10% Ecuador +0.20 pts.