Operator
Good day, ladies and gentlemen, and welcome to Ichor s fourth-quarter 2020 earnings conference call. [Operator instructions] As a reminder, this call is being recorded. I would now like to introduce your host for today s conference, Claire McAdams, investor relations for Ichor. Please go ahead.
Claire McAdams
Investor Relations
Thank you, Hillary. Good afternoon, and thank you for joining today s fourth-quarter 2020 conference call. As you read our earnings press release and as you listen to this conference call, please recognize that both contain forward-looking statements within the meaning of the federal Securities laws. These forward-looking statements, including those made about the impact of COVID-19 on our operations, are subject to a number of risks and uncertainties, many of which are beyond our control and which cause actual results to differ materially from such statements.
Operator
Good day, and welcome to the Apple Q1 fiscal-year 2021 earnings conference call. Today s call is being recorded. At this time, for opening remarks and introductions, I would like to turn the call over to Tejas Gala, director of investor relations and corporate finance. Please go ahead.
Tejas Gala
Director of Investor Relations and Corporate Finance
Thank you. Good afternoon, and thank you for joining us. Speaking first today is Apple s CEO, Tim Cook, and he ll be followed by CFO Luca Maestri. After that, we ll open the call to questions from analysts.
Please note that some of the information you ll hear during our discussion today will consist of forward-looking statements, including, without limitation, those regarding revenue, gross margin, operating expenses, other income and expense, taxes, capital allocation, and future business outlook, including the potential impact of COVID-19 on the company s business and results of operations. These statements involve risks
Operator
Ladies and gentlemen, thank you for standing by, and welcome to the Q4 2020 Teradyne Inc Earnings Conference Call. [Operator Instructions] After the speakers presentation, there will be a question-and-answer session. [Operator Instructions].
I would now like to hand the conference over to Mr. Andy Blanchard, Vice President of Investor Relations. Please go ahead, sir.
Andrew Blanchard
Vice President, Investor Relations
Thank you, Sharon. Good morning everyone and welcome to our discussion of Teradyne s most recent financial results. I m joined for our discussion this morning by Teradyne s CEO Mark Jagiela and CFO Sanjay Mehta. Following our opening remarks, we will provide details of our performance for 2020 s 4th quarter and full year along with our outlook for the first quarter of 2021. The press release containing our results was issued last evening. We are providing slides on the Investor page of the website that may be helpful to you in following the discussion.
Source: Apple
Apple CEO Tim Cook and CFO Luca Maestri spoke with analysts during the company s Q1 2021 earnings call. Here s our ongoing live transcript of their remarks! If you want some quick analysis on Apple s results, we recommend checking out the awesome charts from Six Colors.
Cook s opening remarks
Tim Cook
Good afternoon, everyone. Thanks for joining the call today. It s with great gratitude for the tireless and innovative work of every Apple team member worldwide that I share the results of a very strong quarter for Apple. We achieved an all-time time revenue record of $111.4 billion. We saw strong double-digit digit growth across every product category, and we achieved all-time time revenue records in each of our geographic segments. It is not far from any of our minds that this result caps off the most challenging year any of us can remember, and it is an understatement to say that the challenges it posed to Apple as a business paled in comparison to the challenge it
Operator
Ladies and gentlemen, thank you for standing by, and welcome to the MKS Instruments Fourth Quarter and Full Year 2020 Earnings Call. [Operator Instructions]
I would now like to introduce the host of today s conference call, Mr. David Ryzhik. You may begin.
David Ryzhik
Vice President of Investor Relations
Good morning, everyone. I am David Ryzhik, Vice President of Investor Relations. And I m joined this morning by John Lee, President and Chief Executive Officer, and Seth Bagshaw, Senior Vice President and Chief Financial Officer.
Yesterday, after market close, we released our financial results for the fourth quarter and full year 2020, which are posted to our website, mksinst.com. As a reminder, various remarks about future expectations, plans and prospects for MKS comprise forward-looking statements. Actual results may differ materially as a result of various important factors, including those discussed in yesterday s press release and in the most recent annual re