Tech: One Bad Apple?

<p>Apple has had a rough week:</p> <p>- CEO Tim Cook wrote a letter to shareholders walking back the company's previous quarterly guidance, erasing $7B in expected revenue.<br /> - Netflix is making moves to try and claw back some of its subscription revenue from the iTunes store.<br /> - iPhone 7 and 8 sales are being blocked in Germany.</p> <p>With shares down big this week, should investors be worried about one of the world's largest tech companies?</p> <p><strong>Check out more of our content here:</strong></p> <ul> <li><a href= "https://www.fool.com/podcasts/?utm_source=podcasts&utm_medium=podcasts&utm_campaign=industryfocus" target="_blank" rel="noopener">TMF's podcast portal</a></li> <li><a href="https://www.youtube.com/user/TheMotleyFool" target= "_blank" rel="noopener">YouTube</a></li> <li><a href="https://twitter.com/mfindustryfocus?lang=en" target= "_blank" rel="noopener">Twitter</a></li> <li><a href="https://m.facebook.com/groups/217114601988296">Join Our Motley Fool Podcast Facebook Group</a></li> <li><a href= "https://www.linkedin.com/company/the-motley-fool">LinkedIn</a></li> </ul> <p>Or, reach us by email @ <a href= "mailto:IndustryFocus@fool.com">IndustryFocus@fool.com</a></p>