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S&P 500 7,489.72 +0.70% NASDAQ 25,373.85 +1.00% DOW 52,485.03 +0.50% RUT 2,604.40 -0.34% BTC-USD 63,514.00 +0.80% ETH-USD 3,412.60 -0.65% 10-YR 4.12 -0.72% 2-YR 3.86 +0.52% VIX 14.92 -2.67% GOLD 3,288.40 +0.43% WTI 71.86 -1.26% NATGAS 3.14 +1.95% NVDA 188.34 +1.90% MSFT 512.60 -0.28% AAPL 231.09 +0.46% AMZN 228.77 +1.16% GOOGL 196.42 -0.45% META 704.15 +1.41% TSLA 297.50 -2.11% AMD 172.88 +2.38%

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Claim check True

"AI coding assistants cut build time in half", checked on our own repo

We timed the same class of task with and without an assistant across two sprints. The claim held up, roughly.

May 19, 2026 · 6 min read · by the JMM Research desk

Draft entry. The full analysis for this piece ships with the data pipeline; the dataset it grades against is being assembled.