Speaking of the Citrini's blog post, which imagines a near-future AI-driven economic collapse, and which ended up help triggering the S&P 500's worst single-day drop in nearly two weeks on Monday, FT Alphaville decided to track how US stock markets have moved on the release days of notable dystopian speculative fiction throughout history. The story adds: You may contend that this is facile. We would agree. You might contend that the comparisons make no sense because it's possible to read a blog post during a single work shift, but it's tricker to complete a whole novel (or sneak out to watch a movie). We would contend: do you really think traders read? Let's begin. The methodology -- tracking S&P 500 daily moves for post-1986 releases and DJIA moves for pre-1986 ones -- crowned The Matrix as the all-time leader, its March 1999 US debut coinciding with a 1.11% drop in the index. Citrini's "The 2028 Global Intelligence Crisis" came in a close second at -1.04%. On the positive end, the 2013 release of Her, a film about a man falling in love with an AI agent, coincided with the largest gain in the set at +1.66%.

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EBay is cutting about 800 jobs, or 6% of its full-time employees, saying the layoffs are needed to align its workforce with strategic priorities. From a report: "We are taking steps to reinvest across our business and align our structure with our strategic priorities, which will affect certain roles across our workforce," the San Jose, California-based company said early Thursday in a statement. "We are grateful for the contributions of the employees impacted and are committed to supporting them with care and respect." EBay will continue to hire in key areas. The cuts come a week after the company said it would acquire secondhand fashion marketplace Depop for about $1.2 billion in an effort to draw younger shoppers and after it reported robust quarterly results. Revenue increased 15% to $3 billion in the fourth quarter, surpassing analyst estimates.

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An anonymous reader shares a report: Some Uber employees have built an AI clone of CEO Dara Khosrowshahi -- internally dubbed "Dara AI" -- and have been using it to rehearse and fine-tune presentations before delivering them to the actual Khosrowshahi, he revealed on a recent podcast. Khosrowshahi said a team member told him that some teams "make the presentation to the Dara AI as a prep for making a presentation to me," and that the bot helps them adjust their slides and sharpen their delivery. Asked by the podcast host whether employees might eventually show Dara AI to the board, Khosrowshahi laughed but noted that AI models still can't process and act on new information the way executives do. "When the models can learn in real-time, that is the point at which I'm going to think that, yeah, we are all replaceable," he said.

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Kalshi, the prediction market platform regulated by the Commodity Futures Trading Commission, has for the first time publicly disclosed the results of an insider trading investigation, naming an editor for YouTube's biggest creator as the offender. The company identified Artem Kaptur, an editor for MrBeast, who it says traded around $4,000 on markets tied to the streamer and achieved "near-perfect trading success" on low-odds bets -- a pattern investigators flagged as suspicious. Kalshi froze Kaptur's account before he could withdraw any profits, fined him $20,000, suspended him for two years, and reported the case to the CFTC.

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