From Longman Dictionary of Contemporary Englishspeculatorspec‧u‧la‧tor /ˈspekjəleɪtə $ -ər/ noun [countable] someone who buys goods, property, shares in a company etc, hoping that they will make a large profit when they sell them a New York property speculator
Examples from the Corpus
speculator• The Salt River Project in Arizona was notable for having been all but taken over by speculators.• The levy was introduced in 1992 as a way to curb rising prices driven by real estate speculators.• Governments have successfully reined in speculators before.• The move comes at the request of 16 land owners / speculators.• Experts said it was the first test for the new, small speculators who have invested heavily in dot.com enterprises.• The mark-up should be fair and reasonable, the speculator being reimbursed for both time and enterprise.• The cost would be passed on to speculators, discouraging one-way bets.• Property prices continued to rise substantially faster than inflation, and there was evidence of increasing public resentment towards speculators.From Longman Business Dictionaryspeculatorspec‧u‧la‧tor /ˈspekjəleɪtə-ər/ noun [countable]FINANCE someone who buys goods, shares, property, or foreign currency in the hope that their value will increase so that they can be sold again at a higher price in order to make a profitSpeculators who bought the options before the bid and sold 24 hours later showed a 100% profit.a currency speculatora Wall Street speculator