The big money is calling a halt to the surge in stock prices.

Declines in oil and metals prices are being seen by an increasing number of fund managers and strategists as a signal to get out of riskier areas of the equity market. And that means avoiding things like Chinese IPOs and sticking to the boring stuff, like utilities.

The growing concern is that stocks had priced in an overly optimistic economic path, and the recent breakdown in commodities and shift in equities to safer industries such as health care, suggest a reckoning in coming months.

Ken Fisher, founder of Fisher Investments that manages about $38 billion in equities. is among those concerned many investors have become overconfident.

I think expectations for the stock market are a bit on the high side, he said.

The thesis that the economy may be slowing will be tested this week with the publication of two regional manufacturing reports from the New York and Philadelphia regions. They are a precursor to the bigger national ISM surveys published at the start of next month.

However, some say there is room for the market to move higher before taking a turn for the worse.

Bullish investors point to robust first-quarter earnings. Just fewer than three quarters of S&P 500 <.SPX> companies beat Wall Street's earnings estimates and investors have pointed to sturdy revenue growth. The S&P's index of retail stocks <.RLX> recently hit all-time highs.

This week there will be earnings from some important retailers, including the nation's largest, Wal-Mart Stores Inc , home improvement companies Lowe's Companies and Home Depot , as well as teen clothing retailer Abercrombie & Fitch .

DEFENSIVES OUTPERFORM

Prominent strategists at Goldman Sachs and Credit Suisse foresee better results for stocks less tied to the economic cycle. Doug Cliggott, head of equity strategy at Credit Suisse, wrote: Gone is the U.S. equity performance profile that suggested bold optimism on growth.

Commodities have been at the forefront of the selling so far. Big rallies in hard assets such as gold, silver and oil ended in an ugly slump last week. Silver crashed 30 percent in its worst fall since 1980. Oil, which was until recently worrying investors with its sharp ascent, fell around 15 percent.

There are two schools of thought as to why commodities are slumping. One is that the Federal Reserve's $600 billion program to buy Treasury debt has helped investors divert funds to commodities and equities, creating a bubble in those assets, which is now starting to burst.

Investors and market observers are divided over whether this is a big deal or not, Cliggott wrote, adding, CS is in the 'it's a big deal' camp.

The other is that it is a sign of impending weakness in the economy. Copper, known as the metal with a PhD for its ability to act as a predictor for the economy given its wide-scale industrial applications, has hit a five-month low.

The reduced appetite for speculative investments has shown in the outperformance of defensive stocks, whose fortunes are less tied to the rise and fall of the economy.

The S&P 500's healthcare <.GSPA> and utilities <.GSPU> sectors were the performance leaders over the last month, rising 2.9 percent and 2.6 percent, respectively. That is despite a 1.5 percent fall in year-over-year earnings growth in utilities in the first quarter, worst of the S&P's 10 sectors.

Healthcare, long a go-nowhere sector, has had a whopping rally. The sector has gained for seven straight weeks, and is up 14.9 percent this year, best of the 10 S&P sectors.

Energy <.GSPE>, down 7.8 percent in the last seven weeks, is the worst performer in that time.

Goldman Sachs says it has become much less confident in the near-term equity picture, exiting what it called its top trade in U.S. banks, and doing the same with a trade that was long industrial shares relative to consumer staples.

Cliggott sees a 10 percent decline at the end of the Fed's so-called QE2 stimulus program -- which is what happened at the end of the first round of Fed buying -- as the base case scenario. The firm continues to recommend a short financial/long health care trade, as well as a long consumer staples/short consumer discretionary trade.

EPFR Global, which tracks fund flows, said Friday that global equity funds experienced their first outflow since mid-March.

SMALL CAPS AND IPOS

Small and mid-cap stocks, which typically lead a strong market, have started to see their relative outperformance to large caps wane. Meanwhile, momentum indicators show the strength in S&P 500 is starting to decline as well.

There are also signs of fatigue in the IPO market after a flood of Chinese IPOs and leveraged buyouts at the start of the year.

The stock of Chinese dating website Jiayuan.com fell in its Nasdaq debut, while social networking site Renren , dubbed China's Facebook, reversed all its gains on its market debut and traded below the offer price.

Goldman argues stocks have been driven further than economic fundamentals justified by heightened risk appetite. Sentiment indicators are elevated, but off highs earlier in the year, while the CBOE Volatility Index, or Vix <.VIX> ,is at pre-financial crisis levels, signs investors may be getting complacent.

Peter Lee, a technical analyst at UBS, is expecting the S&P 500 to run to 1,400-1,450 in the summer before topping out.

Fisher believes elevated expectations will mean the market struggles through the rest of the year. He expects a sideways movement at current levels.

David Joy, chief market strategist of Columbia Management Investment Advisers, one of the largest U.S. fund managers with more than $350 billion under management, has been cutting equity exposure over the past three months.

Joy said he started the year with a modest overweight in equities, but has cut that to neutral. That was partly a response to the impending end of the Fed's stimulus program, and partly due to the potential for disruption in the energy markets, he said.

How the markets will react to the end of the Federal Reserve's massive $600 billion stimulus at the end of June is a wild card.

As we get a little closer to the end I think you could start to see the equity market's volatility start to increase, Joy said.

(Wall St Week Ahead appears every Sunday. Questions or comments on this column can be e-mailed to: edward.krudy(at)thomsonreuters.com)

(Reporting by Edward Krudy and Rodrigo Campos; Editing by Andrew Hay and Maureen Bavdek)

Storm