US STOCKS-Wall St set for lower open as Yellen speech awaited
* Yellen to speak in New York
* Lennar up after results
* Futures down: Dow 57 pts, S&P 5.5 pts, Nasdaq 8 pts (Adds details, comment, updates prices)
By Abhiram Nandakumar
March 29 (Reuters) - U.S. stocks were set to open slightly lower on Tuesday as investors awaited Federal Reserve Chair Janet Yellen's speech for clues on when the central bank may raise interest rates.
An about 2.5 percent drop in crude oil prices also made investors more cautious amid concerns that a two-month rally may be in danger of fizzling.
Yellen, who is due to speak before the Economic Club of New York at 12:20 p.m. ET (1620 GMT), will make her first remarks since the Fed's meeting in March.
The central bank has said it will depend on economic data before it makes a decision on rates, but several policymakers have voiced support for more than one increase this year.
Investors will keep a close eye on Yellen's remarks as they look for fresh drivers that could push stocks higher. Continuación...