With U.S. stock futures trading higher this morning on Tuesday, some of the stocks that may grab investor focus today are as follows:

Wall Street expects UnitedHealth Group Inc. ( UNH ) to report quarterly earnings at $6.58 per share on revenue of $109.58 billion before the opening bell, according to data from Benzinga Pro. UnitedHealth ( UNH ) shares rose 0.5% to $325.03 in after-hours trading.

Alaska Air Group Inc. ( ALK ) reported downbeat results for the first quarter. The company posted quarterly losses of $1.68 per share, which missed the analyst consensus estimate of losses of $1.34 per share. The company reported quarterly sales of $3.300 billion, which missed the analyst consensus estimate of $3.308 billion. Alaska Air ( ALK ) shares fell 3.9% to $41.85 in the after-hours trading session.

Analysts are expecting General Electric Co. ( GE ) to post quarterly earnings at $2.79 per share on revenue of $5.10 billion. The company will release earnings after the markets close. General Electric ( GE ) shares gained 0.2% to $304.24 in after-hours trading.

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Amazon.com Inc. ( AMZN ) announced an expanded strategic collaboration with Anthropic. Amazon ( AMZN ) announced that Anthropic is committed to spending more than $100 billion on Amazon Web Services technology over the next 10 years to secure five gigawatts (GW) of capacity to train and power the company's advanced AI models. Amazon ( AMZN ) shares gained 2.4% to $254.30 in the after-hours trading session.

Analysts expect 3M Co. ( MMM ) to post quarterly earnings at $1.99 per share on revenue of $6.01 billion before the opening bell. 3M ( MMM ) shares gained 0.3% to $151.84 in after-hours trading.