A Nasdaq stock symbol specifying that a particular stock is in bankruptcy proceedings.

Nasdaq-listed securities have four or five characters. If a fifth letter appears, it identifies the issue as other than a single issue of common stock or capital stock.

www.mdpi.com [PDF]

Abstract The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which recovers the BG entropy in the q→ 1 limit. The optimization of S q under appropriate simple …

www.emerald.com [PDF]

Abstract The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which recovers the BG entropy in the q→ 1 limit. The optimization of S q under appropriate simple …

www.sciencedirect.com [PDF]

Abstract The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which recovers the BG entropy in the q→ 1 limit. The optimization of S q under appropriate simple …

onlinelibrary.wiley.com [PDF]

Abstract The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which recovers the BG entropy in the q→ 1 limit. The optimization of S q under appropriate simple …

www.sciencedirect.com [PDF]

Abstract The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which recovers the BG entropy in the q→ 1 limit. The optimization of S q under appropriate simple …

www.sciencedirect.com [PDF]

Abstract The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which recovers the BG entropy in the q→ 1 limit. The optimization of S q under appropriate simple …

www.sciencedirect.com [PDF]

Abstract The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which recovers the BG entropy in the q→ 1 limit. The optimization of S q under appropriate simple …

www.jstor.org [PDF]

Abstract The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which recovers the BG entropy in the q→ 1 limit. The optimization of S q under appropriate simple …

www.jstor.org [PDF]

Abstract The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which recovers the BG entropy in the q→ 1 limit. The optimization of S q under appropriate simple …

www.sciencedirect.com [PDF]

Abstract The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which recovers the BG entropy in the q→ 1 limit. The optimization of S q under appropriate simple …

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The fourth and fifth letters identify whether the issue is single-stock or multiple-stock, respectively.

Four different types of securities can be identified by their symbols on the NASDAQ exchange; these include common stocks, preferred stocks, bonds, and warrants .

There are four or five characters. If there is an additional fifth character, it identifies the issue as other than single issues of common stock or capital stock.

The letter "Q" stands for bankruptcy.

Warrants have four letters (or more)in theirsymbols .

Common stocks have only one letter in their symbols .

Bonds have three letters in their symbols .

Preferred stocks have two letters in their symbols .