S&P 500 (SPX) See-Saws With Mixed AI News And Inflation Data

Ironman at Political Calculations 3.37K Follower s Follow 5 Share Save Play ( 14min ) Comments Summary The S&P 500 (SPX) sank in the early part of the third week of December 2025. While the index bottomed at 6,721.43 at the close of trading on Wednesday, it went on to recover strongly by the end of the week and reached 6,834.50 by the close of trading on Friday, December 19. That recovery in the latter part of the week came thanks in no small part to Micron Technology boosting its outlook on the strength of its AI-related order book and because the shutdown-delayed inflation data for November 2025 came in much lower than expected. asbe/iStock via Getty Images The S&P 500 ( SPX ) sank in the early part of the third week of December 2025 as fears of whether the returns on investments being placed on AI technology can overcome the debt that This article was written by Ironman at Political Calculations 3.37K Follower s Follow Ironman is the alias of the blogger at Political Calculations, a site that develops, applies and presents both established and cutting edge theory to the topics of investing, business and economics. We should acknowledge that Ironman is either formerly or currently, and quite possibly, simultaneously employed as some kind of engineer, researcher, analyst, rocket scientist, editor and perhaps as a teacher of some kind or another. The scary thing is that's not even close to being a full list of Ironman's professions and we should potentially acknowledge that Ironman may or may not be one person. We'll leave it to our readers to sort out which Ironman might behind any of the posts that do appear here or comments that appear elsewhere on the web!

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