Feb 19 (Reuters) - Wall Street’s main indexes opened higher on Friday, as technology-related stocks rose after being sold off for most parts of the week, while investors awaited a reading on monthly business activity data. The Dow Jones Industrial Average rose 10.8 points, or 0.03%, at the open to 31504.13. The S&P 500 rose 7.2 points, or 0.18%, at the open to 3921.16, while the Nasdaq Composite rose 63.8 points, or 0.46%, to 13929.2 at the opening bell. (Reporting by Devik Jain in Bengaluru; Editing by Shounak Dasgupta)