The Nasdaq fell 5.56% on Thursday as markets reacted to a Democratic sweep of the US Congress. Nvidia slid 9.3% and Tesla lost $420 billion in value. Investors now worry that new political leadership will bring tougher rules for AI companies, making the road ahead harder for Silicon Valley giants.

Hello, TechAilaites!

A very, very Happy Diwali to all of you!

May the year ahead be filled with new opportunities, brighter beginnings and countless reasons to celebrate.

Now, let's turn to what drove this week's biggest developments across the AI landscape. A 5.56% fall in the Nasdaq on Thursday. A 9.3% slide in Nvidia. And more than $420 billion wiped off the value of Tesla and SpaceX. Wall Street has just been given a reminder that the AI boom may not be immune to politics.

The trigger? A Democratic sweep of both chambers of the US Congress in the midterm elections. The result has changed the political equation in Washington. And for Silicon Valley, as well as investors who have poured money into the AI boom, it could mean a tougher road ahead.

Until now, America's AI giants have enjoyed a fairly friendly political climate. The Trump administration has pushed to speed up AI development and roll back rules that companies saw as hurdles. That made it easier for the industry to build, spend and race ahead.

But the Democrats' return to power in Congress could change that. They want stronger safeguards, more transparency and greater accountability from AI companies.

In other words, the industry may have to spend more time answering questions about what it is building, how it is using data and what risks its products could pose.

The market reaction was swift. On November 5, the Nasdaq fell 5.56%, while the S&P 500 and Dow Jones dropped 4.4% and 3.4%, respectively. Nvidia slid 9.3% and AMD lost 17.3%. Asian stocks also plunged at the open on Friday November 6.

Tesla and SpaceX also came under pressure, with their combined market value reportedly taking a hit of more than $420 billion.

However, the Nasdaq Composite rebounded on Friday as investors scooped up chip stocks after a sharp sell-off on Thursday.

Of course, politics was not the only worry. Investors were already beginning to ask whether Big Tech's enormous spending on AI and data centres would generate returns quickly enough. The prospect of tighter regulation has now given investors one more thing to worry about.

A red flag for Silicon Valley

The Democrats are not looking to stop the AI race. They want the US to remain ahead of China and other rivals. The disagreement is over how that race should be run, what safeguards should be in place and who should bear the costs.

Reuters reported on November 6 that Democrats are preparing AI-related bills for the new Congress in January 2027. These could include independent safety tests for AI models, stronger consumer protections and greater scrutiny of the impact of data centres on electricity bills.

That last point could prove particularly interesting. Data centres need enormous amounts of electricity to power AI systems. As their numbers grow, so do concerns about whether ordinary households could end up paying more for power. It is an issue that could make the AI debate much more personal for voters.

But Tiger zinda hai! (Tiger is alive)

Before Silicon Valley starts panicking, there is an important catch. Donald Trump remains President until January 2029. He still has executive powers and can veto legislation passed by Congress.

The Democrats would therefore need Republican support to pass most bills. Overriding a presidential veto would require a two-thirds majority in both the House and Senate, which is a much higher bar.

Global markets are likely overreacting to fears of increased artificial intelligence (AI) regulation following a strong Democratic showing in the US elections, according to Drew Pettit, Chief Investment Strategist at Roundhill Investments.

"At the end of the day, Trump keeps saying he's going to be the veto man in the White House, and he probably will," Pettit noted. "What I think the market's doing is basically pricing in that you could have a Democratic president after Trump two years from now. I think the market's getting ahead of itself there."

So, no, the election result does not mean AI companies will suddenly wake up to a whole new set of rules. But it does mean Democrats will have more power to investigate the industry, summon executives for hearings and push their concerns into the national conversation.

And that matters. Even without passing new laws immediately, Congress can make life uncomfortable for companies that have so far enjoyed considerable political support.

For AI companies, the coming years could bring more scrutiny alongside the race to build bigger and better models. For investors, the question is no longer just how much these companies can spend or how quickly AI can grow. It is also how much political and regulatory uncertainty comes with that growth.

Picture abhi baaki hai, mere dost ( There's more to come, my friend).

Once again, a very Happy Diwali to all of you! ????

We'll meet again next Saturday with another edition. Until then, take care, stay safe!

Bye-bye!

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