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TD Ameritrade is restricting trading for Gamestop, AMC movie theaters and a few other securities following the massive explosion of their stock prices driven by a Reddit-led investing craze.
"We made these decisions out of an abundance of caution amid unprecedented market conditions and other factors," the company wrote in a statement. The company did not specify what types of restrictions it had put in place.
Gamestop and AMC prices have exploded following a coordinated effort led by retail investors on the subreddit r/WallStreetBets.
Anna Kramer is a reporter at Protocol (@ anna_c_kramer), where she helps write and produce Source Code, Protocol's daily newsletter. Prior to joining the team, she covered tech and small business for the San Francisco Chronicle and privacy for Bloomberg Law. She is a recent graduate of Brown University, where she studied International Relations and Arabic and wrote her senior thesis about surveillance tools and technological development in the Middle East.
Google wants to help you get a life
Digital car windows, curved AR glasses, automatic presentations and other patents from Big Tech.
A new patent from Google offers a few suggestions.
Mike Murphy ( @mcwm) is the director of special projects at Protocol, focusing on the industries being rapidly upended by technology and the companies disrupting incumbents. Previously, Mike was the technology editor at Quartz, where he frequently wrote on robotics, artificial intelligence, and consumer electronics.
Another week has come to pass, meaning it's time again for Big Tech patents! You've hopefully been busy reading all the new Manual Series stories that have come out this week and are now looking forward to hearing what comes after what comes next. Google wants to get rid of your double-chin selfie videos and find things for you as you sit bored at home; Apple wants to bring translucent displays to car windows; and Microsoft is exploring how much you can stress out a virtual assistant.
And remember: The big tech companies file all kinds of crazy patents for things, and though most never amount to anything, some end up defining the future.
Mike Murphy ( @mcwm) is the director of special projects at Protocol, focusing on the industries being rapidly upended by technology and the companies disrupting incumbents. Previously, Mike was the technology editor at Quartz, where he frequently wrote on robotics, artificial intelligence, and consumer electronics.
The future of computing at the edge: an interview with Intel’s Tom Lantzsch
An interview with Tom Lantzsch, SVP and GM, Internet of Things Group at Intel
An interview with Tom Lantzsch

Senior Vice President and General Manager of the Internet of Things Group (IoT) at Intel Corporation
Edge computing had been on the rise in the last 18 months – and accelerated amid the need for new applications to solve challenges created by the Covid-19 pandemic. Tom Lantzsch, Senior Vice President and General Manager of the Internet of Things Group (IoT) at Intel Corp., thinks there are more innovations to come – and wants technology leaders to think equally about data and the algorithms as critical differentiators.
In his role at Intel, Lantzsch leads the worldwide group of solutions architects across IoT market segments, including retail, banking, hospitality, education, industrial, transportation, smart cities and healthcare. And he's seen first-hand how artificial intelligence run at the edge can have a big impact on customers' success.
Protocol sat down with Lantzsch to talk about the challenges faced by companies seeking to move from the cloud to the edge; some of the surprising ways that Intel has found to help customers and the next big breakthrough in this space.
What are the biggest trends you are seeing with edge computing and IoT?
A few years ago, there was a notion that the edge was going to be a simplistic model, where we were going to have everything connected up into the cloud and all the compute was going to happen in the cloud. At Intel, we had a bit of a contrarian view. We thought much of the interesting compute was going to happen closer to where data was created. And we believed, at that time, that camera technology was going to be the driving force – that just the sheer amount of content that was created would be overwhelming to ship to the cloud – so we'd have to do compute at the edge. A few years later – that hypothesis is in action and we're seeing edge compute happen in a big way.
Snowflake will help BlackRock clients make more sense of their data
The world's largest asset manager will use Snowflake's technology as the basis for a new addition to its Aladdin investment-management software.
Some of Wall Street's biggest financial services companies use BlackRock's Aladdin cloud service to manage their portfolios and analyze risk.
Tom Krazit ( @tomkrazit) is a senior reporter at Protocol, covering cloud computing and enterprise technology out of the Pacific Northwest. He has written and edited stories about the technology industry for almost two decades for publications such as IDG, CNET, paidContent, and GeekWire. He has written and edited stories about the technology industry for almost two decades for publications such as IDG, CNET and paidContent, and served as executive editor of Gigaom and Structure.
There are meme stonk traders, and then there are BlackRock customers. Those in the latter category will soon be able to use a new data management cloud service built in partnership with Snowflake, the first such collaboration deal struck by the data warehousing darling.
Some of Wall Street's biggest financial services companies use BlackRock's Aladdin cloud service to manage their portfolios and analyze risk. Modern professional investors have a voracious appetite for data that can inform their decisions, and need a sophisticated service that can quickly gather, sort and process reams of investment data, said Sudhir Nair, managing director and global head of Aladdin, BlackRock's technology arm.
Tom Krazit ( @tomkrazit) is a senior reporter at Protocol, covering cloud computing and enterprise technology out of the Pacific Northwest. He has written and edited stories about the technology industry for almost two decades for publications such as IDG, CNET, paidContent, and GeekWire. He has written and edited stories about the technology industry for almost two decades for publications such as IDG, CNET and paidContent, and served as executive editor of Gigaom and Structure.
Blockchain, QR codes and your phone: the race to build vaccine passports
Digital verification systems could give people the freedom to work and travel. Here's how they could actually happen.
One day, you might not need to carry that physical passport around, either.
Mike Murphy ( @mcwm) is the director of special projects at Protocol, focusing on the industries being rapidly upended by technology and the companies disrupting incumbents. Previously, Mike was the technology editor at Quartz, where he frequently wrote on robotics, artificial intelligence, and consumer electronics.
There will come a time, hopefully in the near future, when you'll feel comfortable getting on a plane again. You might even stop at the lounge at the airport, head to the regional office when you land and maybe even see a concert that evening. This seemingly distant reality will depend upon vaccine rollouts continuing on schedule, an open-sourced digital verification system and, amazingly, the blockchain.
Several countries around the world have begun to prepare for what comes after vaccinations. Swaths of the population will be vaccinated before others, but that hasn't stopped industries decimated by the pandemic from pioneering ways to get some people back to work and play. One of the most promising efforts is the idea of a "vaccine passport," which would allow individuals to show proof that they've been vaccinated against COVID-19 in a way that could be verified by businesses to allow them to travel, work or relax in public without a great fear of spreading the virus.
Mike Murphy ( @mcwm) is the director of special projects at Protocol, focusing on the industries being rapidly upended by technology and the companies disrupting incumbents. Previously, Mike was the technology editor at Quartz, where he frequently wrote on robotics, artificial intelligence, and consumer electronics.
Robinhood's CEO says he's sorry. But what will Congress do about it?
Lawmakers debate more regulation and call for more transparency.
During a Congressional hearing on Thursday, Robinhood CEO Vlad Tenev argued that the GameStop crisis had a probability of happening once in 3.5 million times.
Tomio Geron ( @tomiogeron) is a San Francisco-based reporter covering fintech. He was previously a reporter and editor at The Wall Street Journal, covering venture capital and startups. Before that, he worked as a staff writer at Forbes, covering social media and venture capital, and also edited the Midas List of top tech investors. He has also worked at newspapers covering crime, courts, health and other topics. He can be reached at tgeron@protocol.com or tgeron@protonmail.com.
Robinhood CEO Vlad Tenev appeared before Congress on Thursday to defend the company against accusations that Robinhood hurt retail investors by preventing them from selling shares and encouraging risky behavior as part of the GameStop stock trading drama.
Tenev appeared along with others, including Reddit CEO Steve Huffman, Citadel's Ken Griffin, Melvin Capital's Gabe Plotkin, and Keith Gill, who uses the handle "Roaring Kitty" on YouTube. While Tenev didn't answer all the questions that lawmakers posed, he had one big accomplishment: He didn't have any of the major gaffes that have plagued him in previous interviews.
Tomio Geron ( @tomiogeron) is a San Francisco-based reporter covering fintech. He was previously a reporter and editor at The Wall Street Journal, covering venture capital and startups. Before that, he worked as a staff writer at Forbes, covering social media and venture capital, and also edited the Midas List of top tech investors. He has also worked at newspapers covering crime, courts, health and other topics. He can be reached at tgeron@protocol.com or tgeron@protonmail.com.