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Tesla Slams Acceleration Petition Brought by ‘Short Seller’

(Bloomberg) — Tesla Inc. fired back against a petition filed with U.S. regulators, saying in a blog post Monday that it’s “completely false and was brought by a Tesla short seller.”The National Highway Traffic Safety Administration is evaluating allegations that Tesla Inc. vehicles contain a defect that can cause sudden unintended acceleration, according to a notice posted on the agency’s website last week. The review was prompted by a petition asking the agency to open a defect investigation of some 500,000 Tesla vehicles over the alleged flaw. The petition cited 127 consumer complaints to the agency and claims of 110 …read more […]

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Trading Ideas

How Safe Is Your Portfolio?

Last week, we received some excellent feedback in response to Monday’s article on calculating a stock’s beta.
So today, I’m going to take this little-known metric one step further by showing you how to manage risk by calculating your portfolio’s overall beta.
You can determine the beta of your portfolio by multiplying the percentage of the portfolio of each individual stock by the stock’s beta and then adding the sum of the stocks’ betas.
For example, imagine that you own four stocks.
You own ADMA Biologics (Nasdaq: ADMA), a small cap biotech with a 2.59 beta, and Cisco Systems (Nasdaq: CSCO), a networking giant …read more […]