speculator
/ˈspɛkjʊˌleɪtər/Definitions
1. noun
A person who invests in stocks, commodities, or other financial instruments with the expectation of making a profit through market fluctuations.
“The speculator made a fortune by buying stocks before the company’s successful merger announcement.”
2. verb
To invest in or bet on something with the expectation of making a profit.
“The entrepreneur decided to speculate on the new tech startup, but it ultimately went bankrupt.”
3. noun
A person who engages in speculation, especially in the financial markets.
“The speculators took advantage of the market volatility to make quick profits.”