Stock Market Today: DE, AN Higher & MRNA Lower

<p>Dow Jones today finishes in the green along with the Russell 2000. The S&amp;P 500 or SPX closed lower for the third straight week. Next, Renita Young weighs in on the Deere &amp; Co. (DE) stock price today rising after profits rose more than double year-over-year. Also, AutoNation (AN) shares hit an all-time high after earnings. On the other hand, Moderna (MRNA) stock price fell after a study of the flu vaccine had mixed results. </p>