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Benjamin Graham's thoughts

Benjamin Graham Theory Of Diversification

September 20, 2015

In investment, having a margin of safety itself is not sufficient. Why is this so? Benjamin Graham, the founder of value investing, uses the simple basis of the insurance-underwriting business to explain the need for diversification. He said that diversification is the companion of margin of safety. In other words, margin of safety and diversification…

Data Update 2 for 2023: A Rocky Year for Equities! January 22, 2023
It is the nature of stocks that you have good years and bad ones, and much as we like to forget about the latter during market booms, they recur at regular intervals, if for no other reason than to remind us that risk is not an abstraction, and that stocks don't always win, even in […]
Data Update 1 for 2023: Setting the table! January 6, 2023
In my last post, I talked about the ritual that I go through every year ahead of my teaching each spring, and in this one, I will start on the first of a series of posts that I make at the start of each year, where I look at data, both macro and company-level. In […]
A Return to Teaching: The Spring 2023 Edition December 21, 2022
If, as you read this post, it feels like you have read it or a close variant before, it is because you have. Each year, ahead of teaching my classes at NYU's Stern School of Business in the spring, I invite readers to accompany me on my journey, and this year is no different. […]
META Lesson 3: Tell me a story! November 15, 2022
In my first two posts on Facebook, I noted that its most recent earnings report, and the market reaction to it, offers an opportunity for us to talk about bigger issues. I started by examining corporate governance, or its absence, and argued that some of the frustration that investors in Facebook feel about their views […]
META Lesson 2: Accounting Inconsistencies and Consequences November 10, 2022
In my last post, I used Facebook's recent troubles to talk about the importance of corporate governance, and how we, as investors, have abandoned the power to change management at many younger tech companies in return for being able to invest in young tech companies, with growth potential and well-regarded founders. In this post, I […]
META Lesson 1: Corporate Governance November 4, 2022
As we get deeper into earnings season for the third quarter of 2022, the biggest negative surprises are coming from technology companies, with the tech giants leading the way. Investors, used to a decade of better-than-expected earnings and rising stock prices at these companies, have been blindsided by unexpected bad news in earnings reports, and […]
Earnings and Cash Flows: A Primer on Free Cash Flow October 25, 2022
It is never pleasant to be in the midst of a market correction, but a market correction does operate as a cleanser for excesses that enter into even the most disciplined investors' playbooks in the good times. This correction has been no exception, as the threat of losing investment capital has focused the minds of […]
Reaping the Whirlwind: A September 2022 Inflation Update! September 26, 2022
In my early 2021 posts on inflation, I argued that while the higher inflation that we were just starting to see could be explained by COVID and supply chain issues, prudence on the part of policy makers required that it be taken as a long term threat and dealt with quickly. Not only did they […]
A Zomato 2022 Update: Value, Pricing and the Gap July 27, 2022
On July 21, 2021, I valued Zomato just ahead of its initial public offering at about ₹41 per share. The market clearly had a very different view, as the stock premiered at ₹74 per share and soared into the stratosphere, peaking at ₹169 per share in late 2021. The last few months have been rocky, as the price […]

Toys 'R' Us brand may be brought back to life October 3, 2018
Bankrupt toy retailer tells bankruptcy court it is looking at possibly reviving the Toys 'R' Us and Babies 'R' Us brands.
JCPenney names Jill Soltau as its new CEO October 2, 2018
Read full story for latest details.
S&P downgrades debt-riddled GE and GE Capital October 2, 2018
New General Electric boss Larry Culp just got a fresh reminder of the debt-riddled balance sheet he's inheriting.
Goldman Sachs slants research to help Democrats, top White House adviser says October 2, 2018
Kevin Hassett, President Donald Trump's top economic adviser, suggested Goldman Sachs may be slanting its economic research to help Democrats ahead of the midterm elections.
Meet GE's new boss: Can Larry Culp right the ship? October 1, 2018
General Electric is turning to a outsider to clean up a mess that took decades to create.
Land O'Lakes CEO Beth Ford, from the cornfield to the C-suite October 1, 2018
Land O'Lakes CEO Beth Ford charts her career path, from her first job to becoming the first openly gay CEO at a Fortune 500 company in an interview with CNN's Boss Files.
GE unexpectedly removes its CEO October 1, 2018
Read full story for latest details.
The next big test for Elon Musk arrives this week September 30, 2018
Read full story for latest details.
The S&P 500 achieves best quarter since 2013 September 28, 2018
The longest bull market in history is back on track.

NYSE mayhem traced to staffer who left a backup system running January 26, 2023
MORE than 1,100 km from Wall Street, the backup data centre of the New York Stock Exchange (NYSE) in Chicago is supposed to safeguard US markets, standing by at all hours in case disaster ever strikes the world’s largest venue for trading shares.
Royal mail resumes more services after cyber incident January 26, 2023
BRITISH postal firm Royal Mail is restarting some of its international export services, the company said on Thursday (Jan 26), two weeks after its operations were disrupted by what it called a “cyber incident.”
US: Wall St opens higher on soft landing hopes, Tesla boost January 26, 2023
WALL Street’s main indexes opened higher on Thursday (Jan 26) after data showing a resilient labor market and better-than-expected economic growth last quarter helped ease worries of a deep recession, while Tesla’s bullish outlook added to the cheer.
US Treasury, financial watchdogs, companies among FTX creditors, filing shows January 26, 2023
US dollar just off eight-month low ahead of US GDP data January 26, 2023
THE US dollar edged up on Thursday (Jan 26) after sinking to an eight-month low against peers ahead of US economic data, with investors expecting a recession to encourage the Federal Reserve to slow down its monetary-tightening push.