Nà nián tā chǎogǔ chǎo de shénhún-diāndǎo, lián fàn dōu gùbushàng chī.
That year he was so caught up in the stock market that he lost his head and barely remembered to eat.
Tips
usage
Usually after a verb and 得, as in 迷得神魂颠倒 "so smitten one loses one's head". Unlike 如痴如醉, happy absorption in music or a book, it hints that judgment has gone.