The competition between mortgage lenders has already led to cuts in rates and reduced margins in anticipation of another rate cut, and many lenders may decide not to cut their rates this time.
Analysts said some investors were buying in anticipation that the Federal Reserve will cut its fed funds rate by half a point to 1 percent on Wednesday.
Indian firms say that over the past three years, in anticipation of the visa changes, they began hiring U.S. employees at a faster rate than new foreign workers.