 840 Money News at 10 and 40 brought to you by PenFed. Great rates for everyone. Stock futures are slightly higher this morning following the news that President Biden has dropped out of the presidential race. But some investors are bracing for the potential that the news will break markets out of a prolonged period of low volatility. One expert tells the Wall Street Journal Biden stepping down is a whole new level of political uncertainty. And this may be the catalyst for market volatility that's overdue. Another expert tells CNBC, though, the fact that Biden endorsed Kamala Harris reduces uncertainty.