Trump traveled to Pennsylvania to tout new corporate investments in energy and technology, some of which predate his tenure.

The president traveled to Pittsburgh at a summit that included dozens of top executives from companies aiming to make the state a hot spot for advancements in robotics, artificial intelligence, and energy.

Donald Trump has claimed more than $90bn in investments in the battleground state of Pennsylvania on Tuesday, as he sought to deliver on his economic promises and turn around his faltering approval rating.