"stimulates speculation" is a correct and usable phrase in written English
You can use this phrase when you want to suggest that something encourages people to make guesses or form opinions about something that is unknown or uncertain. For example, "The whistleblower report has stimulated speculation about the president's involvement in the scandal."
Mr Martin's lack of experience in the industry stimulated speculation about a break-up of the firm.Breaking the pactThe European Commission issued warnings to those big EU member states, Germany, France and Italy, under the stability and growth pact, for their excessive budget deficits.
This apparent paradox has stimulated speculation that edema in COPD might be a renal rather than a right ventricular problem [ 17].
Moreover, the known host range of noroviruses has expanded: the virus is found in mice (12), cows (13), and pigs (14), and antibodies to bovine strains have been found in humans, which has stimulated speculation about zoonotic transmission (15).
Besides opening interesting questions as to how immune balances are maintained and modulated, these data stimulate speculations on the evolutionary forces and selective pressures shaping the frequency of these alleles in human populations.
The flood of money encouraged capital misallocation, stimulated property speculation, nurtured shady nonbank lending and worsened inflation.
The relaxation of rules separating America's commercial and investment-banking industries has stimulated wild speculation of impending mergers on Wall Street.
What it especially stimulated was speculation in interest rates.
So, after all the speculation stimulated by Rupert Murdoch's teasing tweets, the Sun's Scottish edition did not plump for independence.
Antonio Zambrano, from Peru's Citizens Movementt against Climate Change, notes he was killed immediately after he was elected mayor and "it could have been promoted by the enemies he made directly as a result of his struggle against Chadin 2," but he also acknowledges it could have been "stimulated by land speculation encouraged by investment in it".
The rising waters boosted consumption, incited speculation and stimulated capital investment.
