Says U.S. and China, which will continue to see a surge in borrowing if current policies remain in place.
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The U.S. and Chinese governments should take action to lower future borrowing, as a surge in their debts threatens to have “profound” effects on the global economy and the interest rates paid by other countries, the International Monetary Fund said Wednesday.
In its twice-yearly report on government borrowing, the Fund said many rich countries have adopted measures that will lead to a reduction in their debts relative to the size of their economies, although not to the levels seen before the Covid-19 pandemic.
However, that is not true of the U.S. and China, which will continue to see a surge in borrowing if current policies remain in place. The Fund projected that U.S. government debt relative to economic output will rise by 70% by 2053, while Chinese debt will more than double by the same year.
The Fund said both countries will lead a rise in global government debt to 98.8% of economic output in 2029 from 93.2% in 2023. The U.K. and Italy are among the other big contributors to that increase.
“The increase will be led by some large economies, for example, China, Italy, the United Kingdom, and the United States, which critically need to take policy action to address fundamental imbalances between spending and revenues,” the IMF said.
The IMF expects U.S. government debt to be 133.9% of annual gross domestic product in 2029, up from 122.1% in 2023. And it expects China’s debt to rise to 110.1% of GDP by the same year from 83.6%.
The Fund said there had been “large fiscal slippages” in the U.S. during 2023, with government spending exceeding revenues by 8.8% of GDP, up from 4.1% in the previous year. It expects the budget deficit to exceed 6% over the medium term.
That level of borrowing is slowing progress toward reducing inflation, the Fund said, and may also increase the interest rates paid by other governments.
“Loose US fiscal policy could make the last mile of disinflation harder to achieve while exacerbating the debt burden,” the Fund said. “Further, global interest rate spillovers could contribute to tighter financial conditions, increasing risks elsewhere.”
A series of weak auctions for U.S. Treasurys are stoking investors’ concerns that markets will struggle to absorb an incoming rush of government debt. The government is poised to sell another $386 billion or so of bonds in May—an onslaught that Wall Street expects to continue no matter who wins November’s presidential election.
While analysts don’t expect those sales to fail, a sharp rise in U.S. bond yields would likely have consequences for borrowers around the world. The IMF estimated that a rise of one percentage point in U.S. yields leads to a matching rise for developing economies and an increase of 90 basis points in other rich countries.
“Long-term government bond yields in the United States remain elevated and sensitive to inflation developments and monetary policy decisions,” the Fund said. “This could lead to volatile financing conditions in other economies.”
China’s budget deficit fell to 7.1% of GDP in 2023 from 7.5% the previous year, but the IMF projects a steady pickup from this year to 7.9% in 2029. It warned that a slowdown in the world’s second largest economy “exacerbated by unintended fiscal tightening” would likely weaken growth elsewhere, and reduce aid flows that have become a significant source of funding for governments in Africa and Latin America.
An unusually large number of elections is likely to push government borrowing higher this year, the Fund said. It estimates that 88 economies or economic areas are set for significant votes, and that budget deficits tend to be 0.3% of GDP higher in election years than in other years.
“What makes this year different is not only the confluence of elections, but the fact that they will happen amid higher demand for public spending,” the Fund said. “The bias toward higher spending is shared across the political spectrum, indicating substantial challenges in gathering support for consolidation in the years ahead, and particularly in a key election year like 2024.”
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Wall Street’s hottest momentum trade has reversed sharply, as former winners tumble and heavily shorted stocks surge.
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Wall Street’s hottest trade has gone ice cold.
For years, it paid off to buy stocks that were rising in price—and bet against struggling shares. The momentum trade was especially profitable this year, as investors piled into hot stocks including Micron Technology, Nvidia, Advanced Micro Devices and other artificial-intelligence darlings while wagering against those likely to be hurt by the embrace of AI.
The S&P 500 Momentum Index soared 44% in the second quarter, its best quarterly performance on record, and it surged 133% over the past five years, nearly double the broad market’s performance.
Mega funds and rookie investors alike piled into the trade, some using leverage and options contracts in an effort to amplify their returns, propelling the underlying shares higher.
“It is a self-fulfilling prophecy,” said Matthew Tym, managing director at Cantor Fitzgerald, of the trade.
Suddenly, the trade is a loser. The momentum index has tumbled more than 9% since July 1, lagging behind the S&P 500’s 2.8% gain. The index—which tracks stocks in the S&P 500 based on a “momentum score”—is on track for the biggest quarterly underperformance in 25 years. July was the second-worst month for the momentum trade in around 40 years, according to Bank of America estimates; the only month worse was April 2009, in the teeth of the global financial crisis.
Hedge funds that bought momentum shares while shorting low-momentum stocks suffered even more. At the same time, a basket of the most popular stocks held by hedge funds tracked by Goldman Sachs recorded its biggest one-month underperformance in July relative to the S&P 500 in more than 20 years, according to the bank’s analysts.
Momentum trading is based on a rather simple observation: Investments that go up tend to keep outperforming; those that underperform often remain laggards. This kind of trading might seem too simple a stock-picking strategy to work. Yet it often has.
“For decades, it didn’t take a lot of sophistication to run a momentum strategy and make a decent living at it,” says Agustin Lebron, senior researcher at EquiLibre, a trading firm.
Part of the reason: It takes a while for corporate and other information to spread to various investors, so they slowly build positions, producing buying momentum.
“A huge pension fund can’t flip around its positions in a day,” says Lebron. “Behavioral biases also account for some of the effect, as well—people tend to sell their winners too early and hold losers too long.”
Fans of the strategy point to the human tendency to extrapolate from past results—and chase investment returns—noting that momentum patterns have been evident in markets for decades, even centuries. They also say that some of the worst months for momentum strategies are during longer periods of outperformance.
Some have been doing the trade by buying the strongest investments in a sector while shorting the weakest; others lean in to rising markets or asset classes. Still others use a quantitative approach or turn to banks or others who sell ways to make distinct wagers on momentum as a “tradable factor” or a “thematic basket.”
The fans remain believers. “Any strategy has disappointing periods,” says Antti Ilmanen, global co-head of the portfolio solutions group at AQR Capital Management.
The surge in Moderna and other biotech stocks helped crush the momentum trade. These shares were among the most heavily shorted in recent years, but positive news on a cancer vaccine from Moderna and Merck sent those stocks flying, crushing some quant and other hedge funds. Moderna is up around 150% so far this month.
These traders had an especially rough day on Aug. 19, which Goldman Sachs told its clients was the worst day for “systematic long-short managers” in more than two years. About half of the losses were because of momentum trades, the bank said.
Some traders have begun to short, or bet against, the very stocks that propelled the momentum trade earlier this year. Net short positions in futures tied to the Nasdaq-100 index among speculators recently climbed to some of the highest levels of the past two decades, according to data from the Commodity Futures Trading Commission.
The about-face is a sign of how markets have become more treacherous for investors, even as indexes keep climbing. Part of the issue: the recent meltdown of Situational Awareness, a hedge fund that had piled into some of the most popular momentum shares, including chip stocks. After a period of market tumult, Nvidia shares rocketed almost 9% after its earnings, showing how quickly sentiment can shift.
Some investors say the run-up in share prices driving tech stocks higher reminds them at times of the dot-com frenzy decades ago.
Mike Ogborne, the founder of San Francisco-based Ogborne Capital Management, said he has grown more cautious on technology stocks and is keeping more of his portfolio in cash than he typically does.
And he is nervous about the surge in spending by technology giants and quarterly capital expenditures that keep rising.
“It is a little bit like Cinderella and the clock striking midnight. You don’t know when midnight is going to come around,” Ogborne said. “They don’t send a memo around telling you when the capex cycle is over.”
