) -- U.S. stock futures were pointing to a mixed open Monday, stalled by inaction from global central banks.

European shares were trading flat, while Asian shares ended Monday's trading session mixed. Japan's Nikkei 224 index rose 0.2% to close at 9,085.39.

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The economic calendar in the U.S. Monday is very light.

U.S. stocks

on Friday rose after comments from

Federal Reserve

Chairman Ben Bernanke showed his support for additional stimulus for the economy.


Dow Jones Industrial Average

gained 101 points, or 0.8%, to close at 13,158. The index closed the week down 0.9%.


S&P 500

closed up 9 points, or 0.7%, to 1,411 on Friday while the


gained 16 points, or 0.54%, to end at 3070.

Car rental giant

Hertz Global

(HTZ) - Get Report

said late Sunday it reached a deal to smaller rival

Dollar Thrifty


for about $2.3 billion.

Hertz will buy Dollar Thrifty for $87.50 a share in cash, a premium of 8% over Dollar Thrifty's closing price of $81 on Friday.


(TIF) - Get Report

, the upscale jewelry retailer, is expected by analysts Monday to post second-quarter earnings of 74 cents a share, down from 86 cents a share a year earlier.


shares fell almost 8% in South Korea following


victory Friday in a

massive patent suit


Samsung was ordered to pay more than $1 billion in damages to Apple for copying the iPhone and iPad.

Tropical Storm Isaac moved toward the northern Gulf Coast early Monday. The National Hurricane Center predicted Isaac would grow to a Category 2 hurricane over the warm Gulf of Mexico and possibly hit late Tuesday somewhere along a stretch that starts west of New Orleans and runs to the edge of the Florida Panhandle.

Republican officials were forced to cancel

convention events

on Monday because of the threat of Tropical Storm Isaac.

-- Written by Joseph Woelfel

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Joseph Woelfel

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