My Husband, The Secret Tycoon

Lucas, once a legendary trader, lives in obscurity as a stay-at-home husband despised by his wife, Evelyn Lin, for his lack of ambition. Evelyn mocks him for needing coupons to buy groceries, unaware that with every mental calculation, Lucas is manipulating financial candlestick charts on a hundred-billion scale. When a financial crisis strikes and the city's elite are left in ruins, Lucas calmly closes his laptop: 'Now, it's my turn to harvest.'