Stock Market Today: ROKU, CISCO Up & SHOP Down

<p>Dow Jones today finished in the red along with the S&amp;P 500 Index or SPX, Nasdaq-100, and Russell 200. Overall, markets slumped after the PPI number came in higher than expected. Next, Renita Young weighs in on Roku Inc. (ROKU) stock price rallying after their earnings bear and plans to cut expenses. Cisco Systems (CISCO) beat on earnings and raised guidance. On the other hand, Shopify (SHOP) shares fell as the company outlook disappointed.&nbsp;</p>