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What Happens to the Stock Market if Biden Wins?

John Divine
·5 mins read

The market largely knows what to expect from President Donald Trump: business-friendly policies, less regulation, tariffs on imports -- generally, the forces that have helped define the Trump stock market.

But a few months out from the election, Democratic presidential nominee Joe Biden is up in the polls. So, what will happen to the stock market if Biden wins the general election this year?

Aleksandar Tomic, associate dean for strategy, innovation and technology at Boston College, says: "It's not about whether Biden wins or Trump wins. It's also about who takes the Congress; if the Senate or House or both go Republican, then that could frustrate Biden's agenda quite a bit."

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What people want to know about how the stock market will react to a Biden victory is really: What if Biden is elected and he's able to enact his stated platform? That's the assumption the rest of the article works with.

The Democratic nominee has an extensive platform, so here are a few ways a Biden win may impact the markets.

Repealing Tax Cuts

David Kass, a clinical professor of finance at the University of Maryland's Robert H. Smith School of Business, speaks to Biden's plan to reverse the 2017 tax cuts, which slashed corporate rates from 35% to 21%. Biden has called for raising the corporate rate to 28%.

"The increased tax rates will result in lower profits and likely lower share prices," Kass says. "This effect may be more than offset by a larger fiscal stimulus package passed by Congress and better trade relations with countries in Europe as well as with China."

Expanding Obamacare

If elected, Biden has vowed to expand the Affordable Care Act, the health care overhaul that former President Barack Obama signed into law in 2010.

"Typically this would be bullish for health care stocks such as pharmaceuticals and biotechnology firms, but this positive effect could be potentially offset by a focus on lower drug pricing," says Will Reese, director of equity research at UMB Bank.

[READ: Fractional-Share Investing -- Where to Invest.]

Lower drug prices, at least when it comes to Medicare, are a crystal clear priority for the Democratic nominee. Medicare is the federal health care insurance program for people aged 65 and older, and for those with certain disabilities.

"The Biden plan will repeal the existing law explicitly barring Medicare from negotiating lower prices with drug corporations," the campaign site reads.

"This in turn might lead to lower profits for pharmaceutical companies and lower share prices," Kass says.

One can look to recent history to see that drugmakers -- especially some biotech companies with wildly expensive therapies -- can be very sensitive to the electoral landscape. In September 2015, biotech stocks took a sharp hit based on a single tweet from former Secretary of State Hillary Clinton during her presidential bid.

Clinton tweeted: "Price gouging like this in the specialty drug market is outrageous," in regard to a life-saving drug that had surged from $13.50 a pill to $750 a pill overnight. She vowed to lay out a plan to combat it. It was a response to when Martin Shkreli, then Turing Pharmaceutical's CEO, raised the price of Daraprim drastically.

In terms of biotech, iShares Nasdaq Biotechnology ETF (ticker: IBB), the largest biotech ETF on the market, fell almost 5% on Sept. 21 on the day of that tweet. The day after Clinton was defeated, IBB rose 9%, sparking a bullish streak in biotech.

Although Biden's plans in health care may be a bit more nuanced, drug companies are certainly sensitive to politics. That said, health care is a diverse sector, and Biden's policies may benefit other corners of that sector.

RBC Capital Markets recently named acute care hospital operator HCA Healthcare ( HCA) and revenue cycle management company R1 RCM ( RCM), among others, as health care stocks poised to benefit from a Biden administration.

Infrastructure and Energy

One of the centerpieces of Biden's platform is a focus on infrastructure spending and investing in sustainability and clean energy.

"Eventually we could see an infrastructure package totaling over $1 trillion. This would benefit the industrial and material sectors that produce heavy equipment or produce materials for roads and bridges," Reese says.

"We think a Biden victory significantly accelerates the trend toward environmental, social, governance investments," Reese says, calling out electric vehicle manufacturers and utilities investing heavily in wind and solar as potential winners.

Tesla ( TSLA) although already richly valued, would see its business benefit from EV-friendly policies. And while by no means the only two utilities investing in renewable energy, NextEra Energy ( NEE) and Xcel Energy ( XEL) stand out as several names in that sector, with a growing focus on wind and solar power generation.

[READ: Is Silver a Better Bet Over Sky-High Gold Prices?]

What Does History Say?

Markets tend to perform best when the party in the White House has some opposition in Congress. CXO Advisory Group found that between 1950 and 2017, the two best-performing combinations for the S&P 500's performance were: a Democratic president with a Republican-controlled Senate and a Democratic president with a Republican-controlled House.

At the end of the day, historical correlations are interesting, but it's stretching it to call them predictive. Biden's stated policies, if enacted, would doubtlessly impact sectors like health care, energy, industrials and materials.

There are some general winners, like companies with large exposure to sustainable energy, and losers, like pharma stocks selling drugs to Medicare at large markups. But as ever, it comes down to policy specifics and what can get passed.

Ultimately, there are more important forces at play than whether the next president has an "R" or a "D" next to their name.

"What I think would be really detrimental to the stock market would be any kind of uncertainty: If there's some kind of instability following the election, if it's contested for a long period of time," Wall Street could be subject to a short-term sell-off, Tomic says.

Longer term, the pandemic, international appetite for U.S. assets and high private company valuations "are much bigger than whether Biden wins or Trump wins," Tomic says.

"I think the fundamental forces are actually much, much more important," Tomic says.