TOKYO, April 27 (Reuters) - Japan's Nikkei stock average recouped some losses made the previous day on Wednesday after strong earnings pushed up U.S. stocks, but concerns about a stronger yen are likely to persist.
Earnings for key Japanese companies have kicked into higher gear this week but market players say the impact from individual results is likely to be limited on the overall market.
The Nikkei rose 0.8 percent to 9,632.73, while the broader Topix gained 0.6 percent to 838.46.
Sony shares fell 0.7 percent after it suffered a massive breach in its video game online network that led to the theft of names, addresses and possibly credit card data belonging to 77 million user accounts in what is one of the largest-ever Internet security break-ins. [IDn:N26297307] (Reporting by Ayai Tomisawa; Editing by Edwina Gibbs)