Twitter stock jumps on news it'll replace Monsanto in S&P 500
Twitter jumped 5 percent in extended trading on Monday, after the Dow Jones announced the social media company would replace Monsanto in the S&P 500. The changes will go into effect prior to market open on Thursday, June 7, when German pharmaceutical and life sciences company Bayer wraps up its $63 billion takeover of seed-maker Monsanto.