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In statistics, a proxy or proxy variable is a variable that is not in itself directly relevant, but that serves in place of an unobservable or immeasurable variable. [1] In order for a variable to be a good proxy, it must have a close correlation, not necessarily linear, with the variable of interest. This correlation might be either positive ...
Stock market indices may be categorized by their index weight methodology, or the rules on how stocks are allocated in the index, independent of its stock coverage. For example, the S&P 500 and the S&P 500 Equal Weight each cover the same group of stocks, but the S&P 500 is weighted by market capitalization, while the S&P 500 Equal Weight places equal weight on each constituent.
Witching hour: the last hour of stock trading between 3 pm (when the bond market closes) and 4 pm EST (when the stock market closes), which can be characterized by higher-than-average volatility. [14] Triple witching hour: the last hour of the stock market trading session (3:00-4:00 P.M.,
Investopedia is a global financial media website headquartered in New York City. Founded in 1999, Investopedia provides investment dictionaries, advice, reviews, ratings, and comparisons of financial products , such as securities accounts .
An exchange-traded fund (ETF) is a type of investment fund that is also an exchange-traded product, i.e., it is traded on stock exchanges. [1] [2] [3] ETFs own financial assets such as stocks, bonds, currencies, debts, futures contracts, and/or commodities such as gold bars.
In finance, the greater fool theory suggests that one can sometimes make money through speculation on overvalued assets — items with a purchase price drastically exceeding the intrinsic value — if those assets can later be resold at an even higher price.
Succession at core of proxy fight. Succession has been a particular sticking point for Peltz and his backers following the messy ousting of former CEO Bob Chapek in 2022.
[1] [2] See Finance § Risk management for an overview. Financial risk management as a "science" can be said to have been born [3] with modern portfolio theory, particularly as initiated by Professor Harry Markowitz in 1952 with his article, "Portfolio Selection"; [4] see Mathematical finance § Risk and portfolio management: the P world.