The COVID-19 outbreak will affect the big technology companies, including Google, Apple, Amazon and Microsoft, in many ways.
In addition to the workflow disruption of employees working remotely and the rush to develop tools to respond to the outbreak, their stock prices are also taking a considerable hit; in one day, the four companies dropped $1.3 trillion in value, a month after reporting all-time closing highs, according to CNBC.
Here are key things to know about each company.
Google
1. Alphabet, Google's parent company, reported stock prices an all-time closing high on Feb. 19. However, the stock priced dropped 29.3 percent by closing on March 16, losing $311.1 billion. At the close of March 18, Alphabet had a market cap of $750.5 billion.
2. Google partnered with the federal government to launch a COVID-19 response website which allows users to identify open areas for testing in their community. However, the website was overwhelmed after launching and reached capacity quickly. The DOJ also reported it will need 30 additional days to complete merger reviews, which could affect Google's purchase of Fitbit.
3. Baird Capital Senior Research lowered Alphabet's 2020 revenue estimates to $153.8 billion, which would still be a 15.6 percent increase year over year. It also adjusted EPS estimate to $52.55, down from $54.42, according to Media Post.
Amazon
4. Amazon stock price dropped 20.8 percent from its high on Feb. 19 through March 16, losing $239.4 billion. The company is no longer valued above $1 trillion; at the close of March 18, Amazon had a market cap of $910.9 billion.
5. Although employees are working remotely during this time, they have been combatting price gouging of masks, hand sanitizer and other equipment on the Amazon platform. It is also hiring 100,000 employees to meet delivery demands during the outbreak.
6. A JP Morgan analyst raised first quarter sales estimates for Amazon slightly to $74 billion, which is $1 billion more than the company's guidance range, according to Seeking Alpha. Doug Anmuth, the analyst, projects e-commerce rising as physical stores close and people are quarantined. The firm has an "overweight" rating for Amazon.
Microsoft
7. Microsoft stock price dropped 26.9 percent from its all-time closing high on Feb. 10, losing $405.2 billion. Among the four large tech companies featured here, Microsoft had the biggest loss, but remains valued at more than $1 trillion as of market close on March 18.
8. The White House sought expertise from Microsoft to use artificial intelligence to develop new text and data mining techniques to accelerate research around COVID-19. The company also named its first chief science officer, Eric Horvitz, on March 11.
9. Credit Suisse maintained a "buy" rating on Microsoft on March 16, with a price target of $190 after shares closed the week before at $142.92, according to Analyst Ratings from The Street. Wedbush also gave Microsoft a "buy" rating on March 13 with a target price of $210, according to Analyst Ratings.
Apple
10. Apple lost around $371.8 billion from its high on Feb. 12 to March 16, a 25.4 percent decline. The company is still valued at more than $1 trillion as of market close on March 18.
11. Apple closed all of its retail stores outside of China through March 27. Credit Suisse estimates that closing stores outside of China could result in $1 billion of lost revenue, according to Yahoo Finance. It also released an app related to the coronavirus and continuously updates it.
12. Apple analysts maintained a neutral rating on Apple as of March 16, according to Yahoo Finance.