European stocks edged higher in early Tuesday trading, while U.S. equity futures tipped into the green, as investors shrugged off concerns over corporate tax cuts and investigations into the Trump administration amid a busy slate for earnings and economic data.

Britain's FTSE 100 lead markets around the region, rising 0.28% thanks in part to solid third quarter earnings and a share buyback launch from oil major BP Plc (BP) - Get Report ,  which topped the benchmark and lifted energy sector heavyweights.

France's CAC-40 was essentially unchanged, with gains held down by a 2.8% slump for BNP Paribas SA (BNPQY) , the country's biggest bank, following weaker-than-expected third quarter earnings. Markets in Germany will remain closed for the session owing to Reformation Day observances in Europe's biggest economy. 

Wall Street looks set for a modest rebound from Monday's slippage, with the Dow Jones Industrial Average likely to add 4 points, and the S&P 500 1.25 points, at the start of trading, according to equity futures prices.  

The European single currency was marked modestly weaker at 1.1640 against the U.S. dollar ahead of two key data readings later in the session. 

Eurostat, the region's official statistics agency, will publish both its first estimate of Eurozone inflation for the month of October later this morning and a preliminary look at third quarter GDP. 

Both tallies will be important to investors as they will not only provide some detail as to how and when the European Central Bank will phase out its low rate and quantitative easing programs but also the broader macro backdrop -- and the potential for profitability -- companies on the Continent.

The greenback itself traded marginally lower against a basket of its global peers, with the dollar index marked at 94.55 as traders interpreted signals from Republican lawmakers that their signature tax proposals may phase-in reductions for U.S. corporations over time rather than deliver a one-off cut.

Sentiment was also blunted, although only modestly, by news that Special Counsel Robert Mueller had charged three men close to President Donald Trump -- including his former campaign manger, Paul Manafort --  as part of a developing probe into Russia meddling in the 2016 election.

However, Asia stocks managed to hold on to a small 0.4% gain by the close of trading, thanks in part to strong gains in South Korea and Taiwan, two markets that are acutely sensitive to tech sector earnings. Japan's Nikkei 225 ended the session essentially unchanged at 22,011.61 points.

South Korea's KOSPI Composite Index gained 0.86% by the close as one of its top weights, Samsung Electronics (SSNLF) confirmed its most profitable quarter on record Tuesday and said it would double the amount of cash it returns to shareholders and boost its capital spending plans in order to maintain its lead in the surging global memory chip market.

The world's biggest chip and smartphone maker said operating profit for the three months ending in September came in at 14.53 trillion Korean won ($12.91 billion), a 23.4% increase from the same period last year, on sales of around 62 trillion Korean won.

Samsung shares were marked 1.92% higher in Seoul trading to end the session at 2.754 million won, extending their year-to-date gain to around 53%, giving the company a market cap of just under $350 billion.

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