overspeculate

verb over·spec·u·late \ ˌō-vər-ˈspe-kyə-ˌlāt \

Definition of overspeculate

overspeculated; overspeculating

1 : to assume an excessive amount of business risk in speculating on something (such as stocks)

… this is exactly the sort of imbalance that brings on big crashes. Why? Because those few very rich folks tend to invest in those same too big to fail banks that, without regulation, are incentivized to overspeculate.
—Jay Michaelson

2 : to engage in excessive theorizing about something : to speculate too much about something

Whether it's a press release, a tweet, an offhand comment, a blurry set photo, fans can be sure to gobble it up immediately as canon and overspeculate as to its importance.
—Kyle Warnke

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play \ˌō-vər-ˌspe-kyə-ˈlā-shən\ noun

- He dismissed the rumors as overspeculation about his friendly greeting.
- —Monica Castillo
- … financial crises—binges of overspeculation followed by panic and then recession or depression …
- —Business Economics