Let’s check out the Yahoo Finance charts of the day.

Facebook (FB): Shares are slightly higher in early trading. Facebook reported that users were spending less time on the site, initially hurting shares, but its CFO said on the call the the social media site would maintain its 2018 expense forecast.

Microsoft (MSFT): Shares are a little lower in midday trading. Despite a profit and revenue beat, and growing cloud business, Microsoft had to take a significant $13.8 billion charge related to the recent tax code changes.

AT&T (T): Shares pulling higher in early trading, up over 4%. AT&T reported a strong earnings beat, and saw wireless subscriber adds in the US hit 2.7 million in the last quarter.

For more on today’s big stock movers check out the Final Round, live at 3:55pm Eastern, right here on Yahoo Finance.