The Fire of Futures Trading

With the K-line chart jumping before his eyes, every second, every minute, every quarter-hour was nerve-racking. Wang Shang stared pensively at the crude oil minute chart. After a moment's thought, he decisively put 20,000 into a short position on one lot of crude oil. In the next minute, the sideways minute chart shook violently and plunged like a waterfall... Three minutes later... Crude oil at 2,000 yuan per barrel was locked at its daily limit down, and the floating profit on his one-lot position had reached 520,000 yuan...