A man passes a Hewlett Packard display at a technology conferenceA man passes a Hewlett Packard display at a technology conference

The companies are making news in midday trading.

The computer hardware company's shares went up after Warren Buffet became the largest shareholder. Based on Wednesday's closing price, the purchase of nearly 121 million shares is worth about $4.2 billion.

The food processing company's shares soared after it reported earnings. Lamb Weston's profit was 73 cents per share, beating the consensus estimate of 44 cents. The company reported revenues of $950 million, which was higher than analyst estimates of $969 million.

The stock jumped after the producer of beer, wine and spirits reported an earnings beat. The company had earnings of $2.37 per share and revenues of $2.1 billion. Earnings were expected to be $2.10 per share and revenues were expected to be $2.02 billion.

The news that Richard was stepping down from the CEO position sent the shares down 4%. The chair will remain occupied by Liu. The company president will become the CEO.

Despite Levi's better-than-expected quarterly report, shares fell nearly 5%. The jeans maker made a profit of 46 cents per share on revenue of $1.59 billion. Analysts 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 888-666-1846 Levi said supply chain constraints hurt sales.

The big-box retail chain jumped 3.2% a day after it reported robust same-store sales in March, which jumped 17.2% in the last five weeks ending April 3.

The provider of automotive retail technology agreed to be acquired by a private equity firm in an $8.3 billion deal. CDK Global shareholders will get a 12% premium over Wednesday's closing price in cash.

Ford dropped 5.2% after it was upgraded to equal weight from overweight. According to a note to clients, the ongoing shortage of chips will keep Ford from recovering after a rough start.

CNBC's Hannah Miao and Jesse Pound contributed reporting.