← Narratives
Growing use of derivatives and shrinking investment time horizons are creating troubling market trends that undermine fundamental value discovery
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FIRST SEENJul 19, 2026
LAST SEENJul 19, 2026
TRAJECTORY Quiet
Too little corroboration in the last 3 days to call a trend (1 article). Watching for it to gain traction.
COVERAGE OVER TIME
COVERAGE MIX
SOURCE EVIDENCE
"David Kass, a finance professor at the University of Maryland who blogs about Berkshire, told Business Insider that Buffett does seem "concerned" by "troubling" trends in markets such as growing use of derivatives and shrinking time horizons."