Apple supplier denies claims, Walmart shakes things up, Google changes YouTube policy

Here’s a look at some of the companies the Yahoo Finance team will be watching for you today.

Apple (AAPL) is in the spotlight. Its Chinese supplier Catcher Technologies is denying allegations by a New York rights group that it makes employees work 10 hours a day in polluted conditions without proper overtime pay or safety measures in place. Apple and Catcher both claim they investigated the issues and found no evidence of any violations.

Walmart (WMT) is making some changes in its C-Suite. Reuters reports COO Judith McKenna will take up the role of chief executive of its international unit. The role is seen as a stepping stone to CEO. Walmart’s current CEO and his predecessor followed the same path. The outgoing international CEO will remain with Walmart to work on company projects.

More changes at YouTube. For the second time in less than a year, Google’s (GOOGL) video site is revising rules to protect advertisers from offensive content. By the end of March, YouTube says people will review every second of the most popular videos eligible for advertising. The site will also remove advertising from a significant number of channels and is changing the prerequisites for having a commercial channel.

Lawmakers want to hear from chipmakers about security flaws in their products that leave nearly every computer vulnerable to hackers. California Representative Jerry McNerney is asking Intel (INTC), SoftBank and AMD for help in understanding the security flaws dubbed Spectre and Meltdown. McNerney says he’s looking into the impact on consumers and how the tech companies plan to protect them.