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In my last post, I looked at equities in 2023, and argued that while they did well during 2023, the bounce back were uneven, with a few big winning companies…

Continuing an annual ritual of long standing, ahead of starting my spring teaching at NYU starting in a couple of weeks, I would like to invite you, if you are…

    Can one person make a difference to the value of a business? Of course, and with small businesses, especially those built around personal services (a doctor or plumber’s practice),…

I wrote about my most recent valuation of Tesla just over a week ago, and as has always been the case when I value this company, I have heard from…

Update on 3.9/20: In a sign of how volatile times are, over the weekend, oil prices plummeted to close to $30, the treasury bond rate to less than 0.4% and…

A more strategic use of data on energy consumption and usage patterns is key to helping California make a sharp shift to meet the state’s clean energy goals of doubling…

Today, Oct. 8 is National Hydrogen and Fuel Cell Day, created to increase awareness about hydrogen and fuel cell technologies. Hydrogen fuel cell electric vehicles are highly-efficient, have zero tailpipe…

Neo4j is an open-source graph database, implemented in Java.The developers describe Neo4j as "embedded, disk-based, fully transactional Java persistence engine that stores data structured in graphs rather than in tables".…

Pig provides extensive support for user defined functions (UDFs) as a way to specify custom processing. Pig UDFs can currently be implemented in three languages: Java, Python, JavaScript, Ruby and…

Command line interface: It’s the default and the most common way of accessing hive. Hiveserver : Runs hive as a server exposing a thrift service,enabling access from a range of…