Most Gulf stocks fell on Wednesday in tandem with weaker global share markets, as investors wait for signals on the U.S. interest rate outlook from Federal Reserve Chair Jerome Powell at the Jackson Hole symposium later this week.

Dow, S&P 500, and Nasdaq futures are rising in premarket trading as the stock market looks ahead to the Federal Reserve's Jackson Hole Symposium.

Stocks fell Tuesday, led by a decline in shares of major technology companies, ahead of a flurry of retail sector earnings reports in the coming days and a key speech from Federal Reserve Chair Jerome Powell later this week.