The H-share market has had bouts of unprecedented volatility, so the control mechanism should ease that, says BoComm International's Hao Hong.
China plans to open its Shenzhen stock market for foreign investors, but it wasn't clear it would see more traffic than Shanghai's lackluster one.
Great Eagle's Lo Ka Shui explains that the two-tier regulatory system is best suited for Hong Kong's financial market.
The Shenzhen Composite has EPS growth at an estimated 20 percent annually for the next three years, says Bank Julius Baer's Mark Matthew.
Cedar Street Asset Management's Jonathan Brodsky says the Hong Kong-Shenzhen stock connect offers good opportunity for Chinese small-cap stocks.
Liquidnet's Lee Porter explains IEX's transition towards becoming a stock exchange and why it will be a success.
Oreana Private Wealth's Norman Chan expects Hong Kong-Shenzhen Stock Connect investors to be more speculative and focus on small to mid-cap companies.
It is questionable whether foreign investors want to buy Chinese shares, says Orient Capital Research's Andrew Collier.
East Capital's Karine Hirn reckons the Hong Kong-Shenzhen stock connect is more meaningful than a potential MSCI A-share inclusion.
Kingston Securities' Dickie Wong says the Hong Kong-Shenzhen stock connect came highly anticipated, and will take a while before it's functional.
The move is a step in the right direction, but isn't very significant for institutional investors, says Henderson Global Investors' Andrew Gillan.
UBP's Kieran Calder says the HK-Shenzhen stock connect isn't a significant event by itself, but is part of China market's liberalization process.
The Hong Kong-Shenzhen stock connect is a positive but there're still a number of problems to solve, says Fraser Howie, an independent analyst.
The markets aren't too excited about the news, perhaps because it was expected to have happened earlier, notes CMB Intl Securities' Daniel So.
The Hong Kong-Shenzhen stock connect increases the probability of MSCI A-share inclusion, possibly by the end of this year, says HSBC's Steven Sun.
The approval of the Hong Kong-Shenzhen stock connect is a signal that EMs are starting to open up and mature, notes Pimco's Mihir Worah.
Webb-site.com's David Webb talks about the proposed changes to the Hong Kong Stock Exchange, including the setting up of a listing committee to oversee IPOs.
Investors need to hear directly from the Chinese regulators about the stock connect timing, says Eastspring Investments' Ken Wong.
There's still time yet to set up the Shenzhen-HK Stock Connect in 2016, Charles Li told CNBC.
HKEx Chief Executive Charles Li tells CNBC it will have been a difficult year, but the exchange is starting to see the benefits of its diversification.