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  KEY POINTS Amazon has begun laying off employees in its corporate and tech workforce. CEO Andy Jassy has moved aggressively to cut costs across Amazon, and the company previously said it would freeze hiring in its corporate workforce. In this article AMZN +0.25 (+0.26%) Follow your favorite stocks CREATE FREE ACCOUNT Andy Jassy, chief executive officer of Amazon.Com Inc., speaks during the GeekWire Summit in Seattle, Washington, U.S., on Tuesday, Oct. 5, 2021. David Ryder | Bloomberg | Getty Images Amazon  on Tuesday began laying off employees in its corporate and tech workforce as CEO Andy Jassy steps up efforts to rein in costs. The company notified workers in several divisions, including Alexa and the Luna cloud gaming unit, that they were being let go, according to LinkedIn posts from Amazon employees who said they had been impacted. Amazon  is aiming to eliminate  about 10,000 jobs, mostly in retail, devices and human resources,  The New York Times  reported Monday. The number r

  KEY POINTS Here’s how the biggest collapse in crypto history went down — and what happens next. Samuel Bankman-Fried’s poster in downtown San Francisco. MacKenzie Sigalos | CNBC The Kimchi Swap put Sam Bankman-Fried on the map. The year was 2017, and the ex-Jane Street Capital quant trader noticed something funny when he looked at the page on CoinMarketCap.com listing the price of  bitcoin  on exchanges around the world. Today, that price is pretty much uniform across the exchanges, but back then,  Bankman-Fried previously told CNBC , he would sometimes see a 60% difference in the value of the coin. His immediate instinct, he said, was to get in on the arbitrage trade — buying bitcoin on one exchange, selling it back on another exchange, and then earning a profit equivalent to the price spread. RELATED INVESTING NEWS ‘Big Short’ Michael Burry on his current positioning: ‘You have no idea how short I am’ Yun Li A DAY AGO “That’s the lowest hanging fruit,” Bankman-Fried said in Septemb