"speculative action" is correct and usable in written English.
You could use it to describe an action that is based on speculation rather than solid evidence or facts, or to describe a situation where an action is taken with an uncertain outcome. For example, "The investors took speculative action on the stock, which resulted in a huge gain."
In both poker and the financial markets, tweaking the rules in hopes of creating more speculative action through the illusion of enticingly higher payoffs paradoxically and subtly creates very unenticing, yet very risky, payoffs in the end.
Nevertheless, the flash crash has served as a reminder of the sheer dominance of speculative action on the stock market, far outweighing the traditional mission of an exchange in allowing people to buy stock to provide capital for companies they believe in.
As Bill Clinton's secretary of the treasury, 1999-2001, Summers arranged the repeal of the New Deal-era Glass-Steagall Act, which had separated the commercial banks -- holders of the savings of ordinary people -- from the speculative action of the brokerage houses and money firms.
This review will attempt to provide an overview of the spectrum of known functions and speculative actions of CRH and stress responses in light of imaging technology and its interpretation.
As another example of the globalised nature of risks, the recent food crisis left many poor farmers unable to sell their crops after a drop in prices (which, some economists argue, rose from the speculative actions of investors in rich countries);[ 20, 31] these farmers lacked an insurance system that would give them time to develop a "comparative advantage" in another form of productive labor.
Concentrix has been the centre of growing controversy in recent months after The Independent revealed the company was harassing people with speculative letters threatening action against them for tax credit fraud.
For me, Afrofuturism is about putting that ethos into action, through speculative art and real-world rebellions.
To the extent that CMA-related diagnoses remain uncertain, ensuing clinical action is speculative, subject to variation in clinical judgment, and has received even less empirical attention.
In "Next," a crummy action and speculative-fiction hybrid, Nicolas Cage plays a guy who can see into the future two minutes at a time.
Sternbergh's writing is sometimes stripped down to the point of obfuscation, but he skillfully blends elements of noir, sci-fi, and speculative fiction, and keeps the action and the dialogue energetic.
The mode of action is still speculative and the scientific evidence for a long lasting efficacy is lacking [70].
