Wall Street pointed toward gains early Monday and oil prices are volatile with a potential easing of violence even as Israel and Iran exchange fire. Futures for the S&P 500 rose 0. 6% before the opening bell, while futures for the Dow Jones Industrial Average ticked up 0. 2%. Nasdaq futures climbed 1. 2%. Global shares sank early Monday after Wall Street ended last week with its worst day since October as the technology sector took a beating. Some of those losses were clawed back early Monday,...