By Anora Mahmudova, MarketWatch

NEW YORK (MarketWatch) -- The U.S. stock market dipped in and out of negative territory and ended Thursday marginally lower, breaking a four-day winning streak.

The S&P 500 and Dow Jones Industrial Average hit intraday record levels in early trading. However, gains petered out by afternoon, ahead of the March jobs report due on Friday.

Initial reaction to Thursday's economic reports was muted. Weekly jobless claims rose by more than expected, the U.S. trade deficit gap widened by more than forecast and the ISM services index rose in line with estimates.

Across the Atlantic, European Central Bank President Mario Draghi told reporters the central bank had considered quantitative easing. The ECB left key policy unchanged, but mildly disappointed investors who were hoping for an announcement of quantitative easing measures.

The S&P 500 (SPX) ended the day 2.13 points, or 0.1%, lower at 1,888.74.

The Dow Jones Industrial Average (DJI) closed down less than a point at 16,572.55, failing to top its previous record reached Dec 31. 2013.

The Nasdaq Composite (RIXF) finished the day down 38.72 points, or 0.9%, at 4,237.74, weighed down by sharp selloffs in highflying stocks such as biotechs and Internet stocks.

Read the recap of MarketWatch's live blog of today's stock-market action.

Kim Caughey Forrest, senior equity analyst at Fort Pitt Capital, says that markets are taking a breather ahead of the important jobs report due on Friday.

"The ADP data this week and jobless claims were softer and investors are holding their breath before the official jobs numbers. We are finally at the point where data are no longer impacted by cold weather, so Friday's jobs report will give investors a more accurate indication of where the economy is headed," Forrest said.

The number of Americans who applied for unemployment benefits in the last week of March rose to the highest level in a month, but initial claims continued to hover near the lowest level since the end of the last recession.

The U.S. trade deficit with other nations rose in February to a five-month high, mainly because of lower exports such as Boeing aircraft and domestically produced petroleum.

Growth picked up last month for the U.S. service sector and other nonmanufacturing companies, according to data released Thursday.

Among individual stocks, two classes of Google Inc. shares created after a 2-for-1 stock split rose sharply as they began trading Thursday but pared gains by the close. The new class of nonvoting Class C shares are trading under "GOOG" (GOOG), while Class A shares are trading under the new ticker "GOOGL" (GOOGL).

Perry Ellis International Inc. (PERY) shares rose 3.1% even as the closing company swung to a loss on write-downs as sales fell 16%, as expected. In February, the apparel maker cut its full-year outlook, citing bad weather and weaker consumer spending.

Shares of CACI International Inc. (CACI) fell 4.2% after the company cut its earnings-per-share outlook for the year and lowered its revenue target. Shares fell 8.8% in late trading on Wednesday.

Shares of Plug Power Inc. (PLUGD) rose 2% after the company said it bought Washington-based fuel-cell developer ReliOn Inc., for $4 million in stock.

Monsanto Co. (MON) rose 2.3% a day after reporting earnings that topped analyst estimates. J.P. Morgan analysts upgraded the agricultural company to overweight from neutral Thursday and raised the price target to $125 from $115. Analyst Jeffrey Zekauskas wrote that Monsanto may be a prime target for an activist investor.

In other markets, the Nikkei Average closed up 0.8%, and the Shanghai Composite Index fell 0.7%. China announced pro-growth measures, which analysts dubbed 'the mini stimulus," but markets fell back after a fresh move by China's central bank to drain liquidity. European stocks closed mostly flat.

Gold prices(GCM4) eased back, but oil rose slightly. The euro fell against the dollar after European Central Bank President Mario Draghi said there was discussion of quantitative easing at the latest meeting, adding to speculation that the ECB would implement unconventional measures to fight falling inflation.

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