Block shares surge following enhanced annual outlook.

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Block shares jumped 6% in extended trading on Thursday after the fintech company increased its forecast for the year. Here is how the company performed compared to analysts' consensus estimates from LSEG.

Earnings per share: 62 cents adjusted vs. 69 cents expected  
Revenue: $6.05 billion vs. $6.31 billion expected  
Revenue fell close to 2% from $6.16 billion a year earlier. Block reported that gross profit rose 14% from a year earlier to $2.54 billion, exceeding analysts' estimates of $2.46 billion for the quarter. Gross payment volume at Square increased 10% to $64.25 billion, while Cash App recorded GPV of $2.37 billion.

Block raised its guidance for full-year gross profit to $10.17 billion, representing 14% growth from a year earlier. In its previous earnings report, Block indicated that gross profit for the year would be $9.96 billion. The company anticipates a full-year adjusted operating income of $2.03 billion, equating to a 20% margin. For the third quarter, Block expects gross profit to grow 16% from a year ago to $2.6 billion, with an operating margin of 18%.

Net income for the quarter more than doubled to $538.5 million, or 87 cents per share, up from $195.3 million, or 31 cents per share, a year earlier. Square's payment volume in the quarter also grew 10% from the previous year. 

Despite facing increasing competition from rivals such as Toast and Fiserv's Clover, Block's Square business has continued to gain market share in sectors like retail and food and beverage.

Block shares were down 10% this year as of Thursday's close, while the Nasdaq has increased by 10%. Last month, Block was added to the S&P 500.

Correction: A prior version of this story had an incorrect statement about revenue. — CNBC's Robert Hum contributed to this report.