The Dow Jones closed down 1.32%, the Nasdaq fell 1%, and the S&P 500 dropped 0.87%. Among the most actively traded stocks, Micron Technology rose 3.97%, Nvidia fell 0.33%, SanDisk gained 2.02%, and SpaceX declined 4.05%.

According to filings with the U.S. Securities and Exchange Commission, Sean Lie, an executive at artificial intelligence company Cerebras (CBRS.US), plans to sell company shares worth $153.19 million.

In late trading on Thursday, August 20, in New York, spot gold closed up 0.08% at $4,519.36 per ounce, after experiencing a V-shaped movement throughout the day. Spot silver closed up 1.16% at $68.0944 per ounce. COMEX copper futures closed down 0.17% at $6.5840 per pound. Note: There was no obvious divergence within the precious metals sector that day; gold experienced relatively small fluctuations, while silver showed a relatively strong trend, and copper, with its strong industrial attribute

Spot platinum just broke through the $1,830.00/oz mark, now quoted at $1,829.79/oz, up 0.64% on the day; the main Nymex platinum futures contract is quoted at $1,841.0/oz, up 1.68% today.

Spot gold has just surpassed the $4,520.00/oz mark, now quoted at $4,519.99/oz, down 0.06% on the day; COMEX gold futures main contract is now quoted at $4,576.30/oz, up 0.68% on the day.