Citigroup offices in New York City. Citigroup offices in New York City. 

Companies are making news in midday trading.

On a report from the Wall Street Journal, shares of the image-sharing social media company jumped 15%.

The second-quarter earnings of Citigroup beat expectations. Citigroup was the only one of the four major banks to report better than expected earnings.

The shares of Wells Fargo jumped after the bank reported earnings. The bank missed revenue estimates but beat on earnings per share. Higher interest rates helped the bank during the quarter as net interest income increased, which should help the bank offset further pressure on its mortgage unit and other operations going forward.

The fiduciary reported a beat on earnings per share. State Street reported a profit of $1.94 per share. The analysts had expected earnings of $1.73 per share on revenue of $2.99 billion.

The bank holding company jumped more than 5% after beating on revenue in the second quarter. The Bank of New York Mellon had revenue of $4.25 billion.

U.S.Bancorp gained 5% after reporting better than expected earnings. Analysts had expected revenue of $5.89 billion, but the bank's revenue was $6.01 billion.

The health insurer's earnings beat expectations. The company reported earnings of $5.57 per share. The UNH was expected to report earnings of $5.20 per share on revenue of $78.6 billion.

NBC News reported that Sen. Joe Manchin wouldn't support a bill to address climate change. A Democrat was briefed on the conversations. Sunrun was down 9%, First Solar was down 9%, SunPower was down 5% and SolarEdge Technologies was down 2%.

The report was contributed by CNBC'sSamantha Subin and Carmen Reinicke.