US STOCKS-Wall St little changed ahead of Fed meet
* May retail sales rise 0.5 pct vs est. 0.3 pct
* German bond yields fall below zero
* Apple gives biggest boost to all three indexes
* Indexes: Dow down 0.16 pct, S&P down 0.07 pct, Nasdaq up 0.13 pct (Updates to open)
By Yashaswini Swamynathan
June 14 (Reuters) - Wall Street was little changed on Tuesday as investors kept to the sidelines ahead of the Federal Reserve's policy meeting and a referendum on Britain's European Union membership.
The Federal Open Market Committee (FOMC) will commence its two-day meeting on Tuesday to decide whether the U.S. economy has recovered enough to be able to absorb an interest rate hike.
While traders have discounted a hike this month, they will parse Fed Chair Janet Yellen's speech at a conference on Wednesday for clues on the health of the economy and the trajectory of hikes.
Yellen, who had been dropping hints last month of a rate hike in the near term, toned down her comments after a dismal May employment report set off fresh concerns of the strength of the economy. Continuación...