Ray Barros, CEO of Ray Barros Trading Group, says easy money from the U.S. and Japanese central banks are propelling the Nasdaq and Nikkei 225 indexes.
Xavier Denis, global strategist at Societe Generale, says the rally in Japanese stocks is "getting tired for the time being" due to uncertainty over Bank of Japan's monetary policy.
Jeff Powell, CIO of Polaris Wealth Advisers, likes Tokyo-listed firms such as Toyota Motor which have "wonderful growth potential but are currently undervalued."
Apart from improvements in the economy, a global appreciation of stock markets also supported the benchmark Nikkei 225, says Takuji Okubo, principal & chief economist at Japan Macro Advisors.
Nicholas Ferres, investment director of Global Asset Allocation at Eastspring Investments, attributes his bullish stance on Japan to factors such as corporate restructuring and valuation re-rating.
Kathy Matsui, MD & Chief Japan Strategist at Goldman Sachs Japan, outlines the buying opportunities in Japan's benchmark index, such as real estate stocks.
The Shanghai is clearly in bubble territory, says Patrick Chovanec, Silvercrest Asset Management, sharing his thoughts on Chinese stocks when considering asset allocation.
Factors such as improved corporate governance will buoy Japanese equities, says Nicholas Weindling, fund manager at JP Morgan Asset Management.
While the 15-year peak on the Nikkei 225 is an "eventuality", the 7-year high on the Shanghai Composite is a "little more confusing", says Joe Magyer, senior analyst at The Motley Fool.
Improvements in Japan's economy will likely translate into positive support for the equity market, says Manpreet Gill, senior investment strategist at Standard Chartered.
Jonathan Brodsky, managing director at Advisory Research, explains his bullish outlook for Japan's stock markets.
Tai Hui, chief Asia market strategist at J.P. Morgan Funds, outlines the factors that will likely take Japanese equities higher.
Tom Elliott, international investment strategist at DeVere, says Japan and India are key markets to watch.
Tai Hui, J.P. Morgan Funds, provides insight to President Obama's meeting with Japan Prime Minister Shinzo Abe, where the political leaders are expected to talk about trade, economic and military ties.
Joe Zidle, portfolio strategist at Richard Bernstein Advisors, says Tuesday's dismal retail sales will increase pressure on the Bank of Japan to introduce more stimulus, which is good for stocks.
Mikio Kumada, executive director & global strategist at LGT Capital Partners, says the Nasdaq Composite is recovering lost grounds from 15 years ago and says China's market rally isn't justified by earnings among A-shares.
Mark Tinker, head of AXA Framlington Asia, explains what's underpinning the buoyant sentiment in Japan after the Nikkei 225 breached the 20,000-point mark on Wednesday.
Are stocks around the world more attractive than American equities? Andrew Burkly of Oppenheimer and Todd Gordon of TradingAnalysis.com discuss with Morgan Brennan.
Japan's Nikkei 225 remains an attractive market, thanks to a weak yen, lower oil prices and a pick-up in the nation's consumer spending, says Nicholas Smith, Japan strategist at CLSA.
CNBC's Dominic Chu on an important milestone for traders in Tokyo today and what's behind the Nikkei's rise.