The benchmark Nikkei 225 index rose %0.87 or 183.06 points to 21,331.08 in early trade while the broader Topix index was up %0.82 or 12.88 points at 1,588.19.
The China-US trade row, signs of softness in both countries' economies, the Huawei arrest, Brexit, demonstrations in France and tanking oil prices are among the problems facing investors, and analysts warned of more volatility to come.
The benchmark Nikkei 225 index rose 0.06% or 13.49 points to 21,232.99 in early trade while the broader Topix index was down 0.13% or 2.12 points at 1,587.69.
GDP for the July-Sept period contracted 0.6% from the previous quarter.
Tokyo stocks opened lower amid lingering uncertainty over the US economic outlook with a lack of fresh market-moving events after a holiday in US markets.
The Nikkei share average soared 1.4% to 22,647.29 in mid-morning trade, after touching 22,677.29, the highest level since Oct 18.
Declines in Japanese shares come after worries about the US-China trade war and slowing technology sector growth battered Wall Street on Monday.
The Nikkei share average edged up 0.1% to 22,268.45 in midmorning trade after opening lower.
Equities and the dollar were fluctuating through the morning with results in many key constituencies on a knife-edge with turnout expected to be high.
Tokyo stocks opened higher on Wednesday tracking rallies in New York, but investors were waiting for results in US midterm elections seen as a referendum on President Donald Trump.
The benchmark Nikkei 225 index rose 1.14% or 248.76 points to 22,147.75 while the broader Topix index gained 1.16% or 18.96 points to 1,659.35.
The benchmark Nikkei 225 index was up 0.39% or 83.95 points at 21,771.60 while the broader Topix index was up 0.23% or 3.17 points at 1,635.76.
A combination of bargain-hunting following steep losses in equities last month and some strong corporate earnings have helped power Wall Street's bounce.
The Nikkei business daily meanwhile reported KDDI would tie up with internet titan Rakuten on payment, logistics and roaming services.
Oil dropped for the first time in four sessions as some of the world’s biggest crude exporters delivered conflicting signals about global supply trends.
A decline in US futures showed any optimism for technology firms from Thursday’s session was quickly dented after Amazon and Alphabet reported disappointing results.
The yen, seen as a safe-haven asset, strengthened 0.35% to 111.87 on the dollar.
The rebound comes after global stocks slumped on worries over a spate of issues from US tensions with Russia and Saudi Arabia to trade issues with China.
The Nikkei 225 index was down 2.19% or 494.77 points at 22,120.05 at the break, while the broader Topix was down 2.07% or 35.01 points at 1,660.30.
A close eye is being kept on China this week after Vice Premier Liu He led the country's top economic officials in a coordinated drive to shore up beleaguered equities, which have fallen more than a quarter this year.
Global investors have been swiped by a series of problems in recent months including rising US interest rates, geopolitical tensions and the China-US trade conflict.
Japan stocks fell on Friday, tracking broader losses in global equities markets and heading for its third straight week of decline.
Asian stocks are on course for a further losses following a weak US equity session as investors fretted over lofty expectations for earnings and the trade war’s impact on growth amid rising interest rates.
The broad rally across world markets in the middle of the week that was fuelled by upbeat earnings gave way to ongoing uncertainty about the global outlook.