By Anora Mahmudova, MarketWatch

NEW YORK (MarketWatch) -- The U.S. stock market rebounded Wednesday, helped by results from retailers Target Corp. and Tiffany & Co., and ahead of speeches from Federal Reserve officials including Fed Chairwoman Janet Yellen.

Investors await the minutes from the latest Federal Open Market Committee meeting due at 2 p.m. Eastern for clues about the first rate hike.

The S&P 500 (SPX) rose 9 points, or 0.5%, to 1,882.29, with gains across all ten main sectors. The Dow Jones Industrial Average (DJI) jumped 101 points, or 0.6%, to 16,476.89. The Nasdaq Composite (RIXF) gained 20 points, or 0.5%, to 4,118.90.

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Retail companies were in the spotlight again with several earnings releases ahead of the opening bell.

Shares of Tiffany (TIF) jumped 8.9% after the luxury-jewelry maker reported sales and earnings that beat estimates, and it lifted its outlook for fiscal 2015.

Target (TGT) shares gained 0.7% after the discount chain posted adjusted quarterly earnings of 70 cents a share, versus forecasts for 71 cents, on sales that roughly matched expectations. On Tuesday, the company replaced the president of its struggling Canadian business.

Retail stocks were hit on Tuesday, contributing to broad losses, after disappointing earnings from TJX Cos. (TJX) and Staples Inc. (SPLS) among others.

Home-improvement retailer Lowe's (LOW) on Wednesday reported first-quarter earnings that came in ahead of analyst expectations by one penny a share, but sales missed estimates. Lowe's also lifted its per-share earnings view for 2015. Shares were last down 2%.

PetSmart Inc. (PETM) dropped 6.2% after it reduced its outlook as it delivered its quarterly results.

Yellen, Dudley speeches, minutes ahead

Investors will get a look at the minutes of the latest Fed meeting at 2 p.m. Eastern Time, which could reveal details of when, and by how much, interest rates will be raised. The Fed continued to taper at its April 30 meeting, saying activity had "picked up recently" after a winter slowdown.

Federal Reserve Chairwoman Janet Yellen will deliver the commencement speech at Yankee Stadium for New York University students at 11 a.m. Eastern Time. The Fed chief is part of a busy Fed lineup for Wednesday.

New York Fed President William Dudley, who is a voting member of the Fed policy committee, will hold a quarterly press briefing on regional labor markets and economic conditions at 11 a.m. Eastern Time.

Kansas City Fed President Esther George, who is not a voting member this year, will deliver a speech in Washington on the economy and banking at 12:50 p.m. Eastern Time. Voting-member Minneapolis Fed President Kocherlakota will speak on monetary policy and the economy at the Economic Club of Minnesota at 1:30 p.m. Eastern Time.

U.K. stocks fall, European stocks gain modestly

In overseas markets, European stocks made small gains as investors kept an eye on key European Parliament elections and purchasing-manager index data due later in the week. U.K.stocks fell for a third day and the British pound (GBPUSD) jumped against the dollar after the release of minutes from the Bank of England's latest meeting that were viewed as hawkish.

Asian stocks posted moderate losses across the board, with the Nikkei 225 index off 0.2% and the Bank of Japan leaving its monetary policy on hold at its latest meeting.

Gold for June delivery (GCM4) dipped, while oil for July delivery (CLN4) pared gains ahead of a report on U.S. supply data. Citigroup also raised its Brent oil forecasts for 2014 and 2015 on Wednesday.

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