NEW YORK (

TheStreet

) -- Stock futures were inching higher Tuesday, climbing back after the previous session's selloff, even as eurozone concerns remained at the forefront.

Futures for the

Dow Jones Industrial Average

were up by 26 points, or 26 points above fair value, at 12,388. Futures for the

S&P 500

were higher by 3 points, or 3 points above fair value, at 1318, and

Nasdaq

futures were ahead by 4 points, or 4 points above fair value.

Stocks were hammered Monday as renewed concerns about the eurozone sovereign debt crisis curbed investors' appetite for risk.

Solvency fears for Greece, Spain and Italy persist amid recent warnings from ratings agencies about the countries' debts.

The FTSE in London was rising 0.5%, and the DAX in Frankfurt was ahead by 0.8%. Hong Kong's Hang Seng inched 0.09% higher, and Japan's Nikkei gained 0.2%.

An

ash cloud from the eruption of Iceland's Grimsvotn volcano grounded more than 200 flights in Europe and forced President Obama to shorten his trip to Ireland.

Shares of

Autozone

(AZO) - Get Report

were rising 3.1% to $285.25 in premarket trading after the

auto parts retailer beat analysts' estimates with a third-quarter profit of $5.29 a share.

Medtronic

(MDT) - Get Report

saw its stock shed 2.4% to $40.26 in early trading after the

medical technology company reported a fourth-quarter non-GAAP profit of 90 cents a share. Analysts had been forecasting earnings of 92 cents a share.

Canadian company

Valeant Pharmaceuticals

(VRX)

agreed to buy Lithuania-based

AB Sanitas

for roughly €314 million ($442.1 million) in cash, and assume about €50 million of debt.

American International Group's

(AIG) - Get Report

$9 billion stock offering is expected to price late Tuesday. The stock was inching 0.07% higher to $30 ahead of Tuesday's opening bell.

At 10 a.m. EDT, the Department of Commerce will release April new-home sales data. Economists are anticipating sales of 300,000 after similar growth in March, according to Briefing.com.

The July crude oil contract was adding $1.30 to trade at $99 a barrel. Gold for June delivery was gaining $7.20 at $1,522.60 an ounce.

The benchmark 10-year Treasury fell 2/32, lifting the yield to 3.136%. The dollar weakened against a basket of currencies, with the dollar index down by 0.4%.

.

--Written by Melinda Peer in New York

.

Disclosure: TheStreet's editorial policy prohibits staff editors and reporters from holding positions in any individual stocks.