News: BTC Hong Kong stocks close lower as materials weaken, cryptocurrency stocks dive

• HK->Shanghai Connect daily quota used 3.6%, Shanghai->HK daily quota used 1.7%
• HSI -0.2%, HSCE -0.6%, CSI300 +0.4%
• FTSE China A50 +0.6%

May 24 (Reuters) - Hong Kong stocks closed lower on Monday, as materials firms slid after China stepped up intervention in the commodities market, even as cryptocurrency-related stocks dived after Beijing's latest crackdown.

** The Hang Seng index .HSI fell 0.2%, to 28,412.26, while the China Enterprises Index .HSCE lost 0.6%, to 10,641.40 points.

** Leading the declines, the Hang Seng materials index .HSCIM dropped 2%, with Chalco 2600.HK and Zijin Mining Group Co Ltd 2899.HK down 5.1% and 3.3%, respectively.

** China's market regulators warned industrial metal companies to maintain "normal market order" during talks on the significant gains in metals prices this year, the National Development and Reform Commission (NDRC) said on Monday.

** Investors tread carefully as they await U.S. personal consumption and inflation figures this week.

** The diary has a crowd of Fed speakers this week, including the influential Fed Board Governor Lael Brainard, and markets will be keen to hear if they stick to the script on being patient with policy.

** Digital currency and block-chain related stocks also weakened, after China vowed to crack down on bitcoin mining and trading activities.

** HK-listed Okg Technology Holdings Ltd 1499.HK , an affiliate of crypto exchange OK Coin, Huobi Tech 1611.HK , an affiliate of crypto exchange operator Huobi and BC Technology Group 0863.HK tumbled between 5% and 22%.

** Cryptocurrency mining operators, including Huobi Mall and BTC.TOP, are suspending their China operations after Beijing's move.

** The Hang Seng tech index .HSTECH ended 1.9% lower, with Chinese internet healthcare provider JD Health International Inc 6618.HK losing 6.3%.