May 18 (Reuters) - The S&P 500 and the Nasdaq opened

higher on Monday as heavyweight semiconductor stocks recovered,

while a bond market rout that had sparked a selloff the previous

week appeared to cool.

The Dow Jones Industrial Average fell 45.1 points, or

0.09%, at the open to 49481.04. The S&P 500 rose 6.6

points, or 0.09%, to 7415.07​, while the Nasdaq Composite

rose 64.3 points, or 0.25%, to 26289.49.