US STOCKS-Wall St opens lower after BOJ rate decision surprise
* Q1 GDP increases 0.5 pct vs est 0.7 pct
* Weekly jobless claims also rise
* Facebook jumps more than 10 pct to record high
* Indexes down: Dow 0.50 pct, S&P 0.30 pct, Nasdaq 0.01 pct (Updates to open)
By Tanya Agrawal
April 28 (Reuters) - Wall Street opened lower on Thursday after the Bank of Japan stunned markets by holding off from expanding monetary stimulus, showing yet again how vulnerable markets are to central bank decisions.
The BOJ's decision to hold steady in the face of soft global demand and a rise in the yen was particularly jarring for markets after media reports that the central bank wanted to go deeper into negative interest rates.
The BOJ's decision comes a day after the U.S. Federal Reserve decided to hold steady on rates and after fears eased that the Fed would signal a rise in June.
While the labor market continues to gain strength, inflation remains below the central bank's 2 percent target. Continuación...