From a tech stock spooked by 'spiritual opium', to the meme of memes, this is the Week in Numbers. First up...

$1 trillion dollars is the price tag put on the U.S. infrastructure bill now before the Senate. It's a bipartisan measure to build or repair roads and bridges, but lawmakers spent the week struggling to reach a final deal.

Almost 82% was the gain at one point Wednesday for shares in Robinhood Markets. Investors snapped up the stock after an underwhelming market debut the week before. Though it gave up a big chunk of the gains on Thursday, the favourite platform of meme-stock traders... shows signs of becoming a meme stock itself.

$60 billion was wiped off the value of Tencent at one point Tuesday. Shares in the Chinese tech giant tumbled after a state media outlet called online gaming 'spiritual opium'. That raised fears that Tencent could be the next target for China's regulators.

Rich Bishop is CEO of AppInChina:

"The recent crackdown on the education sector in China, and also on Chinese companies listing in the U.S., definitely makes investors nervous that there may be a similar crackdown on the video game industry here in China."

50% is the proportion of U.S. car sales that President Joe Biden wants to be zero-emission vehicles by 2030. General Motors, Ford and other automakers say they support the idea. But greens say the non-binding target is about as likely to stick as a New Year's diet resolution.

And $1.7 billion is now Rihanna's net worth, according to Forbes at least. That makes her the richest female musician in the world. Around $1.4 billion of that comes from her 50% stake in the Fenty Beauty cosmetics line. Luxury giant LVMH owns the other half. Now Forbes says only Oprah Winfrey ranks ahead of Rihanna among all female entertainers.