JMdict: 1447120

投機 【とうき】

  1. [n] speculation; venture; stockjobbing; gambling (on stocks)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
投 Throw, Discard, Abandon, Launch Into, Join, Invest In, Hurl, Give Up, Sell At A Loss トウ な.げる, -な.げ 3
機 Loom, Mechanism, Machine, Airplane, Opportunity, Potency, Efficacy, Occasion キ はた 4