Tuesday, August 16, 2022

Xiangguang Sun | Linkedin profile

 

Thursday, August 11, 2022

恐慌抛售(Panic selling)

恐慌抛售(Panic selling)


恐慌性抛售的投资应用

 

恐慌性抛售的投资应用:大多数恐慌抛售虽然可能源于基本面,比如公司爆发财务丑闻、政府出台紧缩政策或其他打压股市政策,乃至他突发重大负面事件等,但由恐慌抛售导致的股价下跌幅度往往超过了负面消息对基本面真实影响的程度。投资者大规模抛售绝大多数是受到市场情绪的影响。当出现恐慌抛售时,除了常规的跌停限制外,严重情况下交易所还可以实施暂停交易,让投资者有更多的时间来理解、消化负面消息。如果抛售行为更多是出于情绪,而基本面并未像市场想象得那样糟糕,股价就有可能在短时间内反弹。

交易情绪与认知偏差 (损失厌恶,沉淀成本,处置效应,小数法则,幸存者效应)

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How to Avoid Emotional Investing

Create a WordPress Plugin from Scratch - Part 3 - Basic PHP OOP

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丘成桐

 丘成桐(Shing-Tung Yau),原籍广东省蕉岭县 [1-2]  [70]  ,1949年出生于广东汕头,同年随父母移居香港,美籍华人,国际知名数学家,菲尔兹奖首位华人得主 [3]  [16]  ,美国国家科学院院士、美国艺术与科学院院士、中国台湾中央研究院院士 [4]  、中国科学院外籍院士 [5]  、中国香港科学院名誉院士 [59]  。

现任香港中文大学博文讲座教授兼数学科学研究所所长 [6]  、清华大学丘成桐数学科学中心主任、求真书院院长 [8]  [69]  、北京雁栖湖应用数学研究院院长 [60]  、清华大学讲席教授 [71-72]  。
1969年毕业于香港中文大学崇基学院数学系 [6]  ;1971年获得加州大学伯克利分校数学博士(师从陈省身);1974-1987年任斯坦福大学、普林斯顿高等研究院、加州大学圣地亚哥分校数学教授 [9]  ;1987年起任哈佛大学讲座教授 [7]  ;1993年被选为美国国家科学院院士 [5]  ;1994年成为台湾中央研究院院士和中国科学院外籍院士,同年出任香港中文大学数学科学研究所所长;2003年出任香港中文大学博文讲座教授;2013年起任哈佛大学物理系教授 [4]  。
丘成桐囊括了维布伦几何奖(1981)、菲尔兹奖(1982)、麦克阿瑟奖(1985) [10]  、克拉福德奖(1994)、美国国家科学奖(1997)、沃尔夫数学奖(2010) [4]  、马塞尔·格罗斯曼奖(2018)等奖项 [11]  。他是第一位获得国际数学界最高奖项菲尔兹奖的华人,也是继陈省身后第二位获得沃尔夫数学奖的华人。 [3] 
丘成桐证明了卡拉比猜想、正质量猜想等,是几何分析学科的奠基人 [12]  ,以他的名字命名的卡拉比-丘流形,是物理学中弦理论的基本概念,对微分几何和数学物理的发展做出了重要贡献。

丘成桐:为何很多中国学生擅长做题 却成不了大数学家?

 近日,每四年颁发一次、被誉为“数学界诺贝尔奖”的菲尔兹奖揭晓,来自法国、美国、英国和乌克兰的4名“80后”年轻数学家获奖。其中,小时候数学成绩很差,甚至一度对数学很反感的美籍韩裔数学家许埈珥的经历尤为传奇,这也是继丘成桐、陶哲轩、吴宝珠之后又一位亚裔科学家获此殊荣。


成为一名数学家需要哪些特质?中国如何才能培养出更多本土的世界一流数学家?中国要想从数学大国成为数学强国,需在哪些方面发力?国际著名华人数学家、菲尔兹奖首位华人得主丘成桐近日接受中新社“东西问”独家专访时指出,想学好数学,要有一定的基础天分,要有兴趣,还要肯用功努力。数学的真谛不是做题、特别不是做别人出的题,而要自己发掘好的研究方向、好的问题,走出一条自己的路。

60 Minutes Driving Range Practice - Golf with Michele Low

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Wednesday, August 10, 2022

10 driving ranges to perfect your swing in Metro Vancouver

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Driving ranges are the best place to perfect your swing whether you’re an avid golfer or just getting into the sport.

The next time you want to get some swings in, be sure to hit up one of these 10 driving ranges in Metro Vancouver that really go the distance.

Driving ranges on the North Shore

Takaya Golf Centre

This is the largest driving range in North Vancouver and it regularly appears in the top 100 list of the best driving ranges in North America. It features 78 stalls (58 covered), a 270-yard range, stadium-style lighting and Happy Hour bonus ball times.

NCLH stock: Onboard Prices


Norwegian Cruise Line Raises Onboard Prices and Posts Strong Onboard Revenue Numbers

Aug 10, 2022

Onboard revenue is seen as a real-time now indicator of how guests are feeling about their financial situation right now and while onboard company ships, according to Frank Del Rio, president and CEO of Norwegian Cruise Line Holdings.

"Onboard revenue generation has continued to be impressive, even as we continue to ramp up occupancy carrying more guests across all ships and cabin classes. In the second quarter, onboard revenue per passenger cruise day was approximately 30 percent higher than during the comparable 2019 period," he said, on the company's second quarter earnings call.

Mark Kempa, CFO, added that the company had raised prices for "all of our offerings" onboard the ships.

"We've gotten smarter in the pre-marketing of our products, creating that sense of urgency before the consumer steps onboard," he said. "Those consumers who have a stronger propensity for presales, they also spend more, about 30% or 40% more once they're on board. So, it's a combination of all those. But the numbers are strong. We're seeing a strong consumer today, spending today's dollars. And we feel that bodes well for ourselves and the industry."

Del Rio said that pre-cruise revenue was up 50 percent compared to 2019 levels.

"We continue to focus on enhancing our market-leading bundled offerings and increasing quality touch points with our guests starting from the time of booking to capture even more revenue pre-cruise, allowing guests to arrive on board with an ever fresher wallet, which ultimately results in higher overall spend. In fact, our pre-cruise revenue on a per passenger day basis for second quarter '22 is up over 50% versus 2019 levels. At a high level, guests who make pre-cruise purchases tend to spend approximately double that of guests who do not pre-book onboard activities," he said.


BEST Page Builder for WordPress? | Elementor vs. Divi vs. WPBakery

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Get 50% off your TrueName domain at https://dynadot.deals with promo code CRAYLOR (limit one domain per customer) Choosing a page builder for WordPress is important. How do you know the best page builder for WordPress? I'm breaking it down in today's comparison of Divi vs Elementor vs WPBakery. Elementor: https://craylor.co/elementor WPBakery: https://craylor.co/wpbakery Visual Composer: https://craylor.co/visualcomposer Divi: https://craylor.co/divi Salient: https://craylor.co/salient TheGem: https://craylor.co/thegem Craylor Academy: https://craylor.academy Gear I use: https://craylor.co/kit Like my content? You can buy me a coffee! http://craylor.co/coffee Connect with me: ➞ https://craylor.media ➞ https://craylor.co/twitter ➞ https://craylor.co/instagram ➞ https://craylor.co/facebook 0:00 - Intro 1:01 - Elementor 4:11 - WPBakery 6:12 - Visual Composer 10:26 - Divi 13:09 - Which Page Builder is Best for Me? 13:52 - What About Gutenberg? 14:25 - My Personal Favorite 14:51 - Conclusion Affiliate link disclosure: most of my videos include affiliate links in the description. When you click an affiliate link, I may receive a commission for any products or services you purchase through that link. It doesn't cost you anything extra, and in some cases, you may receive a discount through my links. All my opinions are 100% honest, and you are welcome to purchase things by finding them on your browser instead of my links. Thank you for supporting the channel!