The Twilight Zone - Season 1 Episode 11 The Lineman

Tyler inherits the power to hear people's thoughts after a freak lightening storm. Eventually, he begins to abuse his new gift, using it as a means of acquiring vast wealth and personal gain. But then Tyler learns that his new power comes with a price. Believing Shannon wants a rich man, Tyler uses his ability to play the stock market, but is surprised at the consequences, especially when he tries to touch others' minds when they grow distant from him.