Reuters Quote: US STOCKS-Wall St futures unchanged, set for lower open after GDP data
* Q1 GDP data shows economy contracted * Corporate earnings down 8.7 pct * Altera up on report of Intel takeover interest * Futures down: Dow 47 pts, S&P 5.5 pts, Nasdaq 14.25 pts (Adds quote, updates prices) By Sweta Singh May 29 (Reuters) – U.S. stock futures were largely unchanged, keeping the market on…