July 18 (Reuters) - The Nasdaq and the S&P 500 rose at

the open on Thursday, as megacaps regained ground and an upbeat

forecast from Taiwan Semiconductor Manufacturing helped chip

stocks recover from a sharp sell-off in the previous session.

The Dow Jones Industrial Average fell 41.52 points,

or 0.10%, at the open to 41,156.56.

The S&P 500 opened higher by 20.29 points, or 0.36%,

at 5,608.56, while the Nasdaq Composite gained 122.23

points, or 0.68%, to 18,119.15 at the opening bell.