Sony Group on Tuesday posted a stronger-than-expected rise in second-quarter operating profit and announced a share buyback of up to 100 billion Japanese yen ($648 million).

Here are Sony's second-quarter results compared with LSEG SmartEstimates, which are weighted toward forecasts from analysts who are more consistently accurate:

Revenue: 3.108 trillion Japanese yen ($20.14 billion) vs. 2.985 trillion yen expected

Operating profit: 429 billion yen vs. 398.44 billion yen expected

Operating profit climbed 10% from a year earlier, while revenues were up 5%. Sony shares jumped more than 6% after the earnings release. Stock Chart Icon Stock chart icon

The Japanese technology giant raised its full-year outlook, expecting operating profit to climb by 100 billion yen, or 8% from i

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