Good morning from the Financial Times.

Today is Thursday, January 28th.

And this is your FT news briefing.

The White House says it's keeping an eye on amateur stock traders

who are causing headaches for short sellers by targeting

individual stocks. Shears and companies like GameStop and AMC have skyrocketed.

Meanwhile, the broader S&P 500 had its worst day in months.

And we'll take a look at how China's vaccine makers are meeting demand.

Plus, the world's largest asset manager has pledged to put sustainability at the heart of its investments.

But has Blackrock met its promises?

I'm Mark Filipino, and here's the news you need to start your day.

We had a slew of large cap earnings yesterday.

Apple reported its highest ever profit in the holiday quarter, more than 111 billion dollars.

It's thanks in part to strong sales in China.

Tesla topped Wall Street's expectations

for revenue growth, but it failed to hit earnings forecasts. And Facebook beat

expectations and announced record quarterly earnings thanks to its push into

e-commerce during the pandemic. But the big story this week isn't about these companies. It's about amateur

traders who have been organizing on the social media site Reddit and piling

into companies like Game Stop, AMC, and BlackBerry.

AMC, which owns movie theaters,

was up more than 300% on Wednesday.

...