US STOCKS-Wall St lower as rate hike uncertainty returns
* All eyes on Fed; Jackson Hole meeting next week
* Estee Lauder, Gap fall after quarterly results
* Applied Materials up as forecast tops estimates
* Indexes down: Dow 0.43 pct, S&P 0.39 pct, Nasdaq 0.30 pct (Updates to open)
By Tanya Agrawal
Aug 19 (Reuters) - U.S. stocks dropped on Friday, with investors again focusing on when the Federal Reserve will hike interest rates next and with the corporate earnings season winding down.
Investors were also cagey ahead of next week's annual meeting of central bankers from around the world in Jackson Hole, Wyoming, in which Fed Chair Janet Yellen is likely to cement expectations for a slow pace of rate increases.
Recent hawkish comments from two Fed officials have clashed with the central bank's position that more data is needed before rates can be raised, according to the minutes of the Fed's July meeting released this week.
"There is a bit on uncertainty over the Fed's decision and Yellen's speech next week is motivating investors to take some money off the table," said Peter Cardillo, chief market economist at First Standard Financial in New York. Continuación...