Nikkei up as China worries subside

(Updates to midsession)

TOKYO, May 31 (Reuters) - The Nikkei average gained more than 1 percent on Thursday as investors bought back shares of technology firms such as Kyocera Corp. (6758.T) after gains on Wall Street eased concerns about China's stock sell-off.

Shares of Risa Partners (8924.T) rose more than 4 percent after the real estate investment firm's president told Reuters on Wednesday the firm is likely to buy an asset management company or financial services company in the next three years to expand its business. [ID:nT76300]

The Nikkei .N225 finished the morning up 193.15 points at 17,781.41.

The broader TOPIX index gained 0.85 percent to 1,748.44.