Apple’s rally to a US$3 trillion sector valuation earlier this week has re-focused investors’ consideration on the mammoth progress stocks that accounted for a massive chunk of the S&P 500’s acquire in 2021, and whether or not they can keep on pushing the index greater in the new 12 months.

Microsoft, Apple, Nvidia, Alphabet, and Tesla accounted for nearly a third of the S&P 500’s overall return previous 12 months, in accordance to info from UBS World-wide Prosperity Administration.

Which is far more than double the ordinary contributed by the index’s 5 major gainers considering the fact that 1985, the financial institution mentioned.

The S&P 500 returned 28.7 p.c previous 12 months, which include dividends.

The explosive progress shipped by giant, tech-focused names has aided gas the S&P’s meteoric rise more than the past 10 years.

Yet some traders worry significant tech stocks might have a harder time delivering significant gains this 12 months, in the experience of stretched valuations, expectations of greater Treasury yields and a far more hawkish Federal Reserve.

At 27.nine, the ahead rate-to-earnings ratio of the S&P 500 tech sector is in the vicinity of its optimum degree considering the fact that 2004, and well over the 21.3 of the wide sector, in accordance to Yardeni Research.

Nvidia trades at 56 times ahead earnings, whilst Tesla, element of the buyer discretionary sector, trades at 119 times ahead earnings.

Rich valuations could make people stocks far more vulnerable to greater yields, with the Fed expected to raise rates various times this 12 months, mentioned Saira Malik, main financial commitment officer of global equities at Nuveen.

“The wide returns in tech that we’ve viewed in the past 12 months have been centered in element on supportive monetary coverage that we would not see in 2022,” she mentioned.

The at times fraught romantic relationship concerning greater yields – which threaten to erode companies’ upcoming earnings – and technological know-how stocks was on screen Tuesday, when bets on US economic energy fueled a rise in Treasury yields and boosted shares of electricity businesses, financial institutions and industrials whilst weighing on tech stocks.

Tech stocks were having a further rough working day on Wednesday, with the Nasdaq Composite Index a short while ago off .7 p.c.

Even though Malik is retaining positions in giant tech stocks that have lagged the wide sector, which include Amazon.com, she is also focusing on electricity businesses like Pioneer Pure Sources, which she expects to gain from rising need for jet gas as business and leisure vacation bounces again.

“We are anticipating to see far more dispersion in the sector as returns become broader and Covid variants have significantly less effects on mobility,” Malik mentioned.

Easing anxieties more than the severity of the Omicron wave could also sap some need for tech stocks, mentioned Scott Wren, senior global sector strategist at Wells Fargo Expenditure Institute.

Since their earnings are significantly less delicate to economic fluctuations, tech stocks have typically acted as a haven for traders amid Covid-19 anxieties, whilst quite a few businesses in the sector also benefited from the remain-at-home development of the previous two many years.

Though he expects technological know-how stocks to continue to keep tempo with the sector, Wren is also overweight industrial stocks that ought to gain from infrastructure shelling out in the United States.

UBS, meanwhile, wrote that significant technological know-how businesses no extended seem as interesting as more compact businesses that do not aim on shoppers.

“We no extended see [mega-caps] as the best put to seem for outsized returns in the tech sector. We anticipate far more price to come from synthetic intelligence, significant info, and cybersecurity,” their report famous.

Earnings for the S&P 500 information technological know-how sector are expected to have climbed 15.nine p.c for the fourth quarter as opposed to a 22.3 p.c rise for the S&P 500 overall, in accordance to Refinitiv IBES.

Recent declines in large-valuation technological know-how stocks implies traders are more and more focusing on businesses that have the ability to pass on rising charges to shoppers as the economic climate proceeds to totally rebound from the coronavirus pandemic, mentioned Jack Janasiewicz, a portfolio supervisor at Natixis Expenditure Supervisors.

He a short while ago improved his overweights in cyclical sectors this kind of as financials and homebuilders.

“We consider we’re past the peak of the hazard cycle in which individuals were ready to bet on technological know-how names just due to the fact they were tech,” he mentioned.