Bad Economic Data Sends Yields to the Basement, Dow to the Nosebleeds: Feb. 10, 2026

October’s recap explores the tools and ideas shaping quantitative finance, from Python API integration and trading automation to AI-assisted research and investment strategy analysis.

A Halloween growth scare is hitting Wall Street on this Friday as the Nasdaq 100 plunges over 3% and inches closer to a 10% drawdown which would place it in correction territory.

The Republicans are holding narrow leads in the Senate races in Iowa and Kansas, with Ashley Hinson and Roger Marshall carrying victory odds of 55% and 51% against opponents Josh Turek and Adam Hamilton.

Anyone who turned on their screens today could not help but notice the selloff in stocks, particularly those in the tech sector. As I type this, the S&P 500 (SPX) is about 1.6% lower, and the Nasdaq 100 (NDX) is more than 3% lower. The fact that NDX is more volatile than SPX is not a surprise; that is quite typical. But I was asked this morning whether tech has become even m...

Something interesting is happening in the gold market. While prices have been declining over the past two months, one particular group of market participants has been moving in the opposite direction: gold producers.