Several retail stocks moved on earnings, while Palantir TechnologiesPLTR managed to retake a key level on the stock market today after falling more ... Fed chair Powell is due to deliver his annual speech at Jackson Hole, Wyo. on Friday.

Options on U.S. financial stocks may be underestimating the chances of big market moves triggered by the Jackson Hole meeting, according to Goldman Sachs. The Wall Street bank reckons that option stra

When Nvidia, the chip producer, reports earnings next week, investors expect the S&P 500 to have a bigger reaction than when the Fed chair delivers a big speech on Friday.

What Happened? Shares of leading designer of graphics chips Nvidia (NASDAQ:NVDA) fell 3.5% in the afternoon session after investors took some profits off the table as markets awaited signals on future monetary policy from the Federal Reserve's Jackson Hole symposium later in the week.