* Caterpillar stock up after three days of declines
* S&P 500 dips after eight straight sessions of gains
* Bargain hunters snap up Apple following recent drop
* Dow up 0.1 pct, S&P 500 down 0.03 pct, Nasdaq up 0.3 pct
NEW YORK, Jan 28 The Dow and S&P 500 were nearly flat on Monday as a four-week rally stalled, while a rebound in Apple shares helped buoy the Nasdaq.
Caterpillar shares helped cap losses in the Dow industrials even as the company posted a 55 percent drop in quarterly profit due to a charge connected with accounting fraud at a Chinese subsidiary and weak demand among its dealers. Caterpillar's shares, down 2.2 percent in the past three sessions, rose 1.5 percent Monday to $96.97.
Boeing, down 1.2 percent at $74.14, shares led decliners on the Dow. The aircraft maker risks losing about $5 billion in revenue by the grounding of its 787 Dreamliner fleet, according to a Bloomberg report.
The S&P 500 is coming off a streak of eight sessions of gains, the longest in eight years, but the index remained above 1,500. It ended above that level on Friday for the first time in more than five years.
"I think this multi-year high is really something that's in play both for short-term traders and for folks with money on the sidelines," said Bucky Hellwig, senior vice president at BB&T Wealth Management in Birmingham, Alabama.
Investors poured $55 billion in new cash into stock mutual funds and exchange-traded funds in January, the biggest monthly inflow on record, research provider TrimTabs Investment Research said.
Bargain hunters lifted Apple after the tech giant's stock dropped 14.4 percent in the previous two sessions. With Apple's stock up 2.4 percent at $450.29, the iPad and iPhone maker regained the title as the largest U.S. company by market capitalization as Exxon Mobil fell 0.9 percent to $90.94 and slipped back to second place.
The Dow Jones industrial average was up 10.70 points, or 0.08 percent, at 13,906.68. The Standard & Poor's 500 Index was down 0.50 points, or 0.03 percent, at 1,502.46. The Nasdaq Composite Index was up 9.37 points, or 0.30 percent, at 3,159.08.
Data on Monday pointed to growing economic momentum as companies sensed improved consumer demand.
Thomson Reuters data showed that of the 150 companies in the S&P 500 that have reported earnings so far, 67.3 percent have beaten analysts' expectations, which is a higher proportion than over the past four quarters and above the average since 1994.
U.S. durable goods orders jumped 4.6 percent in December, a pace that far outstripped expectations for a rise of 1.8 percent. Pending home sales unexpectedly dropped 4.3 percent. Analysts were looking for an increase of 0.3 percent.
Equities have also gained support from a recent agreement in Washington to extend the government's borrowing power. On Monday, Fitch Ratings said that agreement removed the near-term risk to the country's 'AAA' rating.
Hess Corp shares shot up 6.3 percent to $62.59 after the company said it would exit its refining business, freeing up to $1 billion of capital. Separately, hedge fund Elliott Associates is looking for approval to buy about $800 million more in Hess stock.
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