From USA Today:

Now, Balfe is headed back to the big screen in the Jodie Foster-directed Money Monster, starring George Clooney and Julia Roberts (in theaters May 13). In the thriller, she plays Diane Lester, a spokeswoman for a company whose stock mysteriously plummets — leading an unhinged investor (Jack O’Connell) to hold a TV financial guru (Clooney) hostage, on-air.

For the actress, “my interest in the economic system far outweighs my knowledge,” she says. Playing Diane, who tries to uncover the reason behind the financial upheaval, “I had this notion of her being slightly naïve and getting involved in this company, and then at a certain point, she has an awakening of consciousness and fights for the truth. Claire is a truth-seeker as well, and I loved that.”

Read more over at the source