Nov 28 (Reuters) - Wall Street's main indexes opened lower on Monday as protests in major Chinese cities against strict COVID-19 policies reignited concerns about economic growth, while Apple slipped on a report of disruption in production at a factory in China.

The Dow Jones Industrial Average fell 71.1 points, or 0.21%, at the open to 34,275.91. The S&P 500 fell 20.8 points, or 0.52%, at the open to 4,005.36, while the Nasdaq Composite dropped 78.8 points, or 0.70%, to 11,147.568 at the opening bell. (Reporting by Ankika Biswas in Bengaluru; Editing by Shounak Dasgupta)