text: The dollar climbed 1% against a basket of currencies, and against the Japanese currency it rose above 123 yen.
  Analysts cited last Friday's US inflation figures as having triggered the rise in the dollar.
  Among stocks, the Dow Jones fell 113.98 points to 18,118.04, while the S&P 500 dropped 9.91 points to 2,116.15.
  The Nasdaq index was 19.26 points lower at 5,070.10.
  Shares in Time Warner Cable rose 5.2% to $180.01 after Charter Communications agreed to buy the company for $55.8bn. However, the share price remained below Charter's cash and stock offer of $195.71 a share.
  Shares in Charter Communications rose 0.6% to $176.36.
  The latest S&P/Case-Shiller housing survey showed house prices in 20 metropolitan areas were up 5% in March from a year earlier, the same rate as in February.
  The biggest gains were seen in San Francisco, where they rose 10.3% over the year, and Denver, where prices climbed 10%.
target: (Open): Stocks opened lower on Wall Street while the dollar rose, with the US currency hitting a near eight-year high against the yen.