Do tomato plants need to be cut off at the top, if so when?

Question

Further do they need trimming before the fruit arrives?

Answer 1

Here is an article that discusses pruning suckers from tomato plants. The second article mentions top pruning an indeterminate plant at the end of summer.

https://www.gardeningknowhow.com/edible/vegetables/tomato/should-you-prune-tomato-plants.htm

https://www.gardeningknowhow.com/edible/vegetables/tomato/pruning-tomato-plants.htm