2020, the best year for Tesla

2020 has been unprecedented for many, including the automotive industry. Yet, Tesla has been defying big odds and beating expectations in this challenging year.

Tesla’s stock price surged more than 700% in 2020. The company started with about $85 per share in January, and at the end of the year, Tesla’s stock was standing at about $700 per share.

This article aims to gain insight into Tesla’s stock price surge in FY20 using various text mining techniques in R.

Tesla’s stock price surge in Quarter 3

First, let’s look at the chart below that shows Tesla’s historical stock price movement labeled with quarterly earning calls release dates.

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To buy, hold, or sell?

Amidst the global pandemic, rises the Gamestop Saga

Here we are in 2021, wishing this year to be better than the odd and isolating year that just went by. We started the year by getting more people to get their Covid-19 vaccines. The outlook of going back to normal routine seems a little more promising. But just before the first month of a hopeful year ended, one particular stock, a dying brand, shook up Wall Street and became a ‘meme-stock.’

Gamestop (NYSE: GME), a brick-and-mortar gaming retailer, was in the spotlight in the American stock market frenzy. The retail chain has seen its…

NYC food at its best

New York City, one of the best dining destinations in the world. In this city, you can easily find thousands and thousands of restaurants for your foodie adventure. From Michelin restaurants to street food, the concrete jungle has them all.

But underneath the glamor and glitz, (and the fancy) restaurants, do people really know what goes behind the scene?

To find out more, I looked into the NYC restaurant inspection results to see if I could find anything interesting. You can find out more about the dataset here on NYC open data.

About the dataset

The dataset consists of almost 400k restaurant violations…

This article is part of an NLP series where I use text mining techniques to analyze earnings calls.

In today’s article, I will be analyzing Apple Inc’s earnings call in Financial Year 2020 with keyword extraction and frequency analysis techniques in R.

Preliminary dataset exploration and cleaning

Earnings call transcripts from Quarter 1 to 4 of Financial Year 2020 released by Apple Inc were used for analysis. After obtaining the dataset, I used Microsoft Excel and RPA tools to pre-process it.

Thanks to the internet, now the world knew about the Presidential Debate 2020 that went out of control. All of the major news stations were reporting about how the participants were interrupting and sniping at one another.

I decided to put together an article that focuses on analyzing the words used in the event and see if there are any hidden insights.

This article focuses on finding out the most used words, categorized by each spokesperson, and sentiment analysis of the speeches.

Intro

Natural Language Processing (NLP) has been gaining tractions in recent years, allowing us to understand unstructured text data in a way that was never possible before. One of the promises of NLP is to use relevant techniques to detect fraud in companies and shed light on potential violations in the early phase.

About the dataset

I’ve only managed to find two earnings call transcripts online. And only one of
them is readable when converted from PDF to text. You can find the original
document here.

The earnings call transcript used in this article is from Enron’s conference call hold on November 14, 2001…

In early 2020, Luckin Coffee was delisted from the NASDAQ stock exchange after the CEO admitted to inflating accounting figures in the company’s 2019 earning reports.

Luckin Coffee, once acclaimed as Starbucks’ biggest rival in the Chinese coffee market, was charged with fabricating sales revenues in 2019. Even though the scandal took some time to blew up, it inspired me to start thinking about the possibility of detecting fraud through words.

This article focuses on applying Natural Language Processing techniques to the Luckin Coffee Earning Calls in Quarter 2 and 3 in 2019. …