Hannah Aaron Lang

The stock was down roughly 30% in Friday afternoon trading.

Yikes.

The move in Supermicro stock erased more than $4 billion from its market value.

For context, at Thursday's close, Supermicro had a market cap of roughly $18.5 billion.

In an unsealed indictment, prosecutors accused the three people of helping smuggle servers into China through, quote, "...a tangled web of lies, obfuscation, and concealment."

all to drive sales and generate revenues in violation of U.S.

law, end quote.

While Supermicro wasn't named as a defendant, the company did place its co-founder on leave after learning of his alleged role in the scheme.

The company also said it placed a second employee on leave and fired a contractor.

The debacle left Supermicro's stock in shambles.

For the week, shares lost 33 percent, the most of any stock in the S&P 500.

And now you know what's news in markets this week.

You can read about more stocks that moved on the week's news in our live markets coverage on WSJ.com.

Today's show was produced by Alexis Moore with supervising producer Jana Herron.

I'm Hannah Aaron Lang.

Have a great weekend and see you next Saturday.

So you didn't see huge swings in the market in the immediate wake of the Supreme Court decision.

However, you've seen the president talking about finding new ways to impose tariffs.

And I think that introduced this source of volatility back into the market where investors are once again wondering...

what options the president might pursue, which companies might be impacted.