US STOCKS-Wall St set to open lower ahead of Yellen's speech
* Weekly jobless claims rise less than expected
* August durable orders falls 2 pct, in line with estimates
* Caterpillar falls after brokerage starts with "sell"
* Investors await Yellen speech at 5 p.m. ET
* Futures down: Dow 126 pts, S&P 18 pts, Nasdaq 46 pts (Adds details, comment, updates prices)
By Tanya Agrawal and Abhiram Nandakumar
Sept 24 (Reuters) - Wall Street was set to open lower on Thursday amid lingering concerns about global economic growth and ahead of a speech by Federal Reserve Chair Janet Yellen.
U.S. stock futures barely moved after data showed that jobless claims rose less-than-expected last week and durable goods orders in August fell as much as economists had expected.
Investors will look for clues regarding the timing of an interest rate hike when Yellen delivers a speech on inflation, a topic that is key to liftoff and one that has divided policymakers. The speech is at 5 p.m. ET (2100 GMT). Continuación...